ID: 
Title:tweaky bird and pushy cat 21Marco Tullio 153
Author:srachFabio Carnevale
Date:2008-05-07 11:55:182008-05-07 11:57:33
Score:13374.019713417.7813
Result:133071.00 (cyc: 21, node: 7229)133814.00 (cyc: 17, node: 6617)
CPU Time:47.885136.4807
Status:PassedPassed
Code:
function W = solv(B) - tweak = rand(43,1); - W=solverF(B); - S = mygrade(B,W); - - [nr,nc] = size(B); - [W2,S2] = sunday(B,[1 2],[1 2],4*nr*nc); - if S > S2 - W = W2; - S=S2; + dMLY=3877; + l6GI = rand(43,1); + W=RW2t(B); + Fx8_ = KAIg(B,W); + [Jczo,PkRx] = size(B); + hi6U = B(Jczo:-1:1,:); + hi6U = hi6U.'; + [CvZB,GLyg] = FZup(hi6U,[1 2],[1 2],4*Jczo*PkRx); + if Fx8_ > GLyg + W = [Jczo-CvZB(:,2)+1 CvZB(:,1) Jczo-CvZB(:,4)+1 CvZB(:,3)]; + Fx8_=GLyg; end - - - X = B(nr:-1:1,:); - X = X.'; - - [W2,S2] = sunday(X,[1 2],[1 2],4*nr*nc); - if S > S2 - W = [nr-W2(:,2)+1 W2(:,1) nr-W2(:,4)+1 W2(:,3)]; - S=S2; + a16m=rand('state'); + rand(dMLY,1); + if Fx8_>1000 && rand<.5 + [CvZB,GLyg] = FZup(hi6U,[1 2],[1 2],4*Jczo*PkRx); + if Fx8_ > GLyg + W = [Jczo-CvZB(:,2)+1 CvZB(:,1) Jczo-CvZB(:,4)+1 CvZB(:,3)]; + Fx8_=GLyg; end - end - - - function [W,S] = sunday(B0,x000,y000,th000) - [nR,nC]=size(B0); - Borig= -ones(nR+2,nC+2); - Borig(2:end-1,2:end-1)=B0; - Bedit = Borig; - - maxbridges = 4; - - if size(Bedit,2) > 18 - cutfirst = 4; - cutsecond = 8; - cutoff = 18; + if Fx8_>1000 && rand<.5 + [CvZB,GLyg] = FZup(hi6U,[1 2],[1 2],4*Jczo*PkRx); + if Fx8_ > GLyg + W = [Jczo-CvZB(:,2)+1 CvZB(:,1) Jczo-CvZB(:,4)+1 CvZB(:,3)]; + Fx8_=GLyg; + end + end + rand('state',a16m); + end + function [W,Fx8_] = FZup(CxkM,aNXV,idJ6,Y9FN) + [jxrF,CK3x]=size(CxkM); + a3f_= -ones(jxrF+2,CK3x+2); + a3f_(2:end-1,2:end-1)=CxkM; + wbkl = a3f_; + Ya8F = 4; + if size(wbkl,2) > 20 + fJkO = 4; + rtf5 = 8; + ATWm = 18; else - cutfirst = 3; - cutsecond = 7; - cutoff = 13; + fJkO = 3; + rtf5 = 7; + ATWm = 13; end - - S = inf; - X1 = [1 2;2 1]; - X2 = [1 3;3 1]; - Y = [3 2 1;1 2 3]; - - % fprintf('\n'); - - for x = x000 - if x == 2 - [U BU] = phase1(Bedit,cutfirst,X1(x,:)); - [UU BUU] = phase3(BU,U,cutsecond,X2(x,:)); - [V BX] = phase3(BUU,UU,cutoff,X2(x,:)); - else - [U BU] = phase1(Bedit,4,X1(x,:)); - [V BX] = phase3(BU,U,11,X2(x,:)); - end - - for y = y000 - % if x == 1 && y == 2, continue, end - %if x == 2 && y == 2 && S > th000, return, end - W1 = phase2_a(Bedit,BX,V,maxbridges,cutoff,Y(y,:))-1; - S1 = mygrade(B0,W1); - % fprintf('x=%d, y=%d, %d', x, y, S1); - % if isfinite(S), fprintf(' (%4d)\n', S1 - S), else, - % fprintf('\n'), end - if S1 <= S - S = S1; - W = W1; - maxbridges = maxbridges - 1; - end - end + Fx8_ = inf; + WABR = [1 2;2 1]; + pvu3 = [1 3;3 1]; + A2oU = [3 2 1;1 2 3]; + for PrLj = aNXV + if PrLj == 2 + [U1_6 lzpH] = U7_e(wbkl,fJkO,WABR(PrLj,:)); + [BceY pPZr] = aYpv(lzpH,U1_6,rtf5,pvu3(PrLj,:)); + [mR4E M7eC] = aYpv(pPZr,BceY,ATWm,pvu3(PrLj,:)); + else + [U1_6 lzpH] = U7_e(wbkl,4,WABR(PrLj,:)); + [mR4E M7eC] = aYpv(lzpH,U1_6,11,pvu3(PrLj,:)); end + for HwSv = idJ6 + n3Es = si0k(wbkl,M7eC,mR4E,Ya8F,ATWm,A2oU(HwSv,:))-1; + Pe9I = KAIg(CxkM,n3Es); + if Pe9I <= Fx8_ + Fx8_ = Pe9I; + W = n3Es; + Ya8F = Ya8F - 1; end - - %% - function score = mygrade(B,W) - nR=size(B,1); - B(W(:,1)+(W(:,2)-1)*nR)=0; - B(W(:,3)+(W(:,4)-1)*nR)=0; - score=sum(B(:))+size(W,1)+sum(W(:,1)==W(:,3)&W(:,2)==W(:,4))*24; end - - %% - function [pincount k] = analyzeboard(B,rz) - - % make a sorted list of all pins - pin = sort(B(B>0),'descend'); - npins = size(pin,1); - if npins < 1 - pincount = []; - k = 0; - return end - - uniPins=pin(diff([0;pin])~=0); - % pin, count, benefit - - pincount = zeros(nnz(uniPins),3); - thesepins=histc(pin,uniPins(end:-1:1)); - pincount(:,1)=uniPins; - pincount(:,2)=thesepins(end:-1:1); - k=nnz(uniPins); - - if rz < 3, return, end - % calculate the benefit of a path - for i = 1:k - if pincount(i,2) >= 2 - p = pincount(i,1); - [row col] = find(B == p); - d = 0; - N = size(row,1); - d=sum(abs(diff(row))+abs(diff(col))); - pincount(i,3) = pincount(i,2)*p - 0.85 * d; - end end + function WpVp = KAIg(B,W) + jxrF=size(B,1); + B(W(:,1)+(W(:,2)-1)*jxrF)=0; + B(W(:,3)+(W(:,4)-1)*jxrF)=0; + WpVp=sum(B(:))+size(W,1)+sum(W(:,1)==W(:,3)&W(:,2)==W(:,4))*24; end - - %% - function [W B] = phase1(B,cutoff,rz) - % fprintf('-- phase 1 --\n'); - + function [mgVc jFUm] = srCC(B,u5tr) + uPDQ = sort(B(B>0),'descend'); + VfeB = size(uPDQ,1); + if VfeB < 1 + mgVc = []; + jFUm = 0; + return + end + RelO=uPDQ(diff([0;uPDQ])~=0); + mgVc = zeros(nnz(RelO),3); + QTnE=histc(uPDQ,RelO(end:-1:1)); + mgVc(:,1)=RelO; + mgVc(:,2)=QTnE(end:-1:1); + jFUm=nnz(RelO); + if u5tr < 3, return, end + for xOHJ = 1:jFUm + if mgVc(xOHJ,2) >= 2 + XyoA = mgVc(xOHJ,1); + [ecGD HpQh] = find(B == XyoA); + Usv0 = 0; + gmtQ = size(ecGD,1); + Usv0=sum(abs(diff(ecGD))+abs(diff(HpQh))); + mgVc(xOHJ,3) = mgVc(xOHJ,2)*XyoA - 0.85 * Usv0; + end + end + end + function [W B] = U7_e(B,ATWm,u5tr) W = []; - - [pincount k] = analyzeboard(B,rz); - - if k < 1 - return + [mgVc jFUm] = srCC(B,u5tr); + if jFUm < 1 + return end - - pincount=sortrows(pincount,-rz); - - for i = 1:k - if pincount(i,2) >= 2 - p = pincount(i,1); - [row col] = find(B == p); - N = size(row,1); - % find all pairwise distances - Npairs = N*(N-1)/2; - dist = zeros(Npairs,3); - [I J]=find(tril(ones(N),-1)); - dist(:,1)=J; - dist(:,2)=I; - dist(:,3)=abs(col(I)-col(J))+abs(row(I)-row(J)); - % sort by distance - [d ix] = sort(dist(:,3)); - dist = dist(ix,:); - - % try to connect the closest pair possible - npins = 0; - for x = 1:Npairs - if dist(x,3) > cutoff+1 - % fprintf('warning: dist = %2d\n', dist(x,3)); - break - end - a = dist(x,1); - b = dist(x,2); - % path = simplepath([row(a); row(b)], [col(a); col(b)], -p); - path = complexpath(B,[row(a); row(b)], [col(a); col(b)], -p, cutoff, 2*p); - if size(path,1) > 0 - % fprintf('p = %d, connect a=%d, b=%d, dist = %d\n', p, a, b, dist(x,3)); - % fprintf('\nFound path, p = %d, r=%d c=%d, r=%d, c=%d\n', p, row(a), col(a), row(b), col(b)); - W = [W; path]; - - B = addwirepath(B,path,-p); - - % pinlist = [row(a) col(a); row(b) col(b)]; - npins = 2; - edit = [1:(a-1) (a+1):(b-1) (b+1):N]; - row = [row(a); row(b); row(edit)]; - col = [col(a); col(b); col(edit)]; - break - else - % fprintf('p = %d, cannot connect a=%d, b=%d, dist = %d\n', p, a, b, dist(x,3)); - end - end - - if npins < 2 - continue - end - - for j = 3:N - % find all pins and wires - [row2 col2] = find(B == -p); - Npinwires = size(row2,1); - % fprintf('npins = %d, nwires = %d\n', npins, Npinwires - npins); - - % find all pairwise distances - % a = already connected (pin or wire), b = not yet connected - Npairs = Npinwires * (N - npins); - - - dist = zeros(Npairs,3); - x = 0; - for a = 1:Npinwires - for b = (npins+1):N - x = x + 1; - dist(x,1) = a; - dist(x,2) = b; - dist(x,3) = abs(row2(a)-row(b)) + abs(col2(a)-col(b)); - end - end - % sort by distance - [d ix] = sort(dist(:,3)); - dist = dist(ix,:); - - % try to connect closest pair possible - connected = false; - for x = 1:Npairs - if dist(x,3) > cutoff+1 - % fprintf('warning: dist = %2d\n', dist(x,3)); - break - end - a = dist(x,1); - b = dist(x,2); - % path = simplepath([row2(a); row(b)], [col2(a); col(b)], -p); - path = complexpath(B,[row2(a); row(b)], [col2(a); col(b)], -p, cutoff, p); - if size(path,1) > 0 - W = [W; path]; - - B = addwirepath(B,path,-p); - - npins = npins + 1; - connected = true; - row([j b]) = row([b j]); - col([j b]) = col([b j]); - break - end - end - - if ~connected - break - end - end - - end + mgVc=sortrows(mgVc,-u5tr); + for xOHJ = 1:jFUm + if mgVc(xOHJ,2) >= 2 + XyoA = mgVc(xOHJ,1); + [ecGD HpQh] = find(B == XyoA); + gmtQ = size(ecGD,1); + uvvt = gmtQ*(gmtQ-1)/2; + dist = zeros(uvvt,3); + [SG22 JhKe]=find(tril(ones(gmtQ),-1)); + dist(:,1)=JhKe; + dist(:,2)=SG22; + dist(:,3)=abs(HpQh(SG22)-HpQh(JhKe))+abs(ecGD(SG22)-ecGD(JhKe)); + [Usv0 zDzc] = sort(dist(:,3)); + dist = dist(zDzc,:); + VfeB = 0; + for PrLj = 1:uvvt + if dist(PrLj,3) > ATWm+1 + break end + aCau = dist(PrLj,1); + FBrt = dist(PrLj,2); + path = dHg8(B,[ecGD(aCau); ecGD(FBrt)], [HpQh(aCau); HpQh(FBrt)], -XyoA, ATWm, 2*XyoA); + if size(path,1) > 0 + W = [W; path]; + B = eX3Y(B,path,-XyoA); + VfeB = 2; + edit = [1:(aCau-1) (aCau+1):(FBrt-1) (FBrt+1):gmtQ]; + ecGD = [ecGD(aCau); ecGD(FBrt); ecGD(edit)]; + HpQh = [HpQh(aCau); HpQh(FBrt); HpQh(edit)]; + break + else end - - %% - function [W B] = phase2(Borig,B,W,maxbridges,kappa,rz) - - function addbridgewirepath() - for w = 1:size(path,1); - if path(w,1) == path(w,3) % horizontal - BH(path(w,1),path(w,2)) = false; - BH(path(w,3),path(w,4)) = false; - if path(w,2) == path(w,4) - B(path(w,1),path(w,2)) = -9999; - end - end - if path(w,2) == path(w,4) % vertical - BV(path(w,1),path(w,2)) = false; - BV(path(w,3),path(w,4)) = false; - end end + if VfeB < 2 + continue end - - % fprintf('-- phase 2 --\n'); - - [BH BV] = buildbridges(Borig,B,W); - - [pincount k] = analyzeboard(B,rz); - if k < 1, return, end - - pincount=sortrows(pincount,-rz); - - for i = 1:k - p = pincount(i,1); - - Npinwires = sum(B == -p); - - if Npinwires == 0 - % fprintf('p = %d, no previous pinwires\n', p); - - if pincount(i,2) >= 2 - [row col] = find(B == p); - N = size(row,1); - % find all pairwise distances - Npairs = N*(N-1)*.5; - dist = zeros(Npairs,3); - x = 0; - for a = 1:N - for b = (a+1):N - x = x + 1; - dist(x,1) = a; - dist(x,2) = b; - dist(x,3) = abs(row(a)-row(b)) + abs(col(a)-col(b)); - end - end - % sort by distance - [d ix] = sort(dist(:,3)); - dist = dist(ix,:); - - maxstep = min((maxbridges*25)+kappa,2*p+1); - - % try to connect the closest pair possible - connected = false; - for x = 1:Npairs - if dist(x,3) > maxstep+1 - % fprintf('warning: dist = %2d\n', dist(x,3)); - break - end - a = dist(x,1); - b = dist(x,2); - path = bridgepath(B,BH,BV,[row(a); row(b)], [col(a); col(b)], -p, maxbridges, kappa, ceil(1.85*p)); - if size(path,1) > 0 - % fprintf('\nBRIDGE path, p = %d, r=%d c=%d, r=%d, c=%d\n', p, row(a), col(a), row(b), col(b)); - W = [W; path]; - - B = addwirepath(B,path,-p); - addbridgewirepath(); - - connected = true; - break - end - end - if ~connected - continue - end - end - end - - [row col] = find(B == p); - Npins = size(row,1); - - maxstep = min((maxbridges*25)+kappa,p+1); - - for j = 1:Npins - [row2 col2] = find(B == -p); - Npinwires = size(row2,1); - - % find all pairwise distances - % a = already connected (pin or wire), b = not yet connected - Npairs = Npinwires * (Npins-j+1); - dist = zeros(Npairs,3); - x = 0; - for a = 1:Npinwires - for b = j:Npins - x = x + 1; - dist(x,1) = a; - dist(x,2) = b; - dist(x,3) = abs(row2(a)-row(b)) + abs(col2(a)-col(b)); - end - end - % sort by distance - [d ix] = sort(dist(:,3)); - dist = dist(ix,:); - - % try to connect closest pair possible - connected = false; - for x = 1:Npairs - if dist(x,3) > maxstep+1 - % fprintf('warning: dist = %2d\n', dist(x,3)); - break - end - a = dist(x,1); - b = dist(x,2); - path = bridgepath(B,BH,BV,[row2(a); row(b)], [col2(a); col(b)], -p, maxbridges, kappa, p); - if size(path,1) > 0 - % fprintf('\nEXTRA BRIDGE path, p = %d, r=%d c=%d, r=%d, c=%d\n', p, row2(a), col2(a), row(b), col(b)); - W = [W; path]; - - B = addwirepath(B,path,-p); - addbridgewirepath(); - - connected = true; - - row([j b]) = row([b j]); - col([j b]) = col([b j]); - break - end - end - - if ~connected - break - end - end - + for kkTm = 3:gmtQ + [Sd89 HZPi] = find(B == -XyoA); + RPq7 = size(Sd89,1); + uvvt = RPq7 * (gmtQ - VfeB); + xMFI = (1:RPq7*gmtQ)'; + FBrt=mod(xMFI-1,gmtQ)+1; + aCau=ceil(xMFI/gmtQ); + Wqhh = (FBrt>VfeB); + aCau = aCau(Wqhh); + FBrt = FBrt(Wqhh); + Usv0 = abs(Sd89(aCau)-ecGD(FBrt)) + abs(HZPi(aCau)-HpQh(FBrt)); + dist = [aCau,FBrt,Usv0]; + [Usv0 zDzc] = sort(dist(:,3)); + dist = dist(zDzc,:); + PfvQ = false(gmtQ,1); + XMdP = false; + for PrLj = 1:uvvt + if dist(PrLj,3) > ATWm+1 + break end - + FBrt = dist(PrLj,2); + if PfvQ(FBrt) + randperm(4); + continue end - - %% - function [W B] = phase3(B,W,kappa,rz) - - - % fprintf('-- phase 3 --\n'); - - [pincount k] = analyzeboard(B,rz); - if k < 1, return, end - - pincount=sortrows(pincount,-rz); - - for i = 1:k - p = pincount(i,1); - - Npinwires = sum(B == -p); - - if Npinwires == 0 - % fprintf('p = %d, no previous pinwires\n', p); - - if pincount(i,2) >= 2 - [row col] = find(B == p); - N = size(row,1); - % find all pairwise distances - Npairs = N*(N-1)*.5; - dist = zeros(Npairs,3); - x = 0; - for a = 1:N - for b = (a+1):N - x = x + 1; - dist(x,1) = a; - dist(x,2) = b; - dist(x,3) = abs(row(a)-row(b)) + abs(col(a)-col(b)); - end - end - % sort by distance - [d ix] = sort(dist(:,3)); - dist = dist(ix,:); - - maxstep = min(kappa,2*p+1); - - % try to connect the closest pair possible - connected = false; - for x = 1:Npairs - if dist(x,3) > maxstep+1 - % fprintf('warning: dist = %2d\n', dist(x,3)); - break - end - a = dist(x,1); - b = dist(x,2); - % path = bridgepath(B,BH,BV,[row(a); row(b)], [col(a); col(b)], -p, maxbridges, kappa, 2*p); - path = complexpath(B,[row(a); row(b)], [col(a); col(b)], -p, kappa, 2*p); - if size(path,1) > 0 - % fprintf('\nBRIDGE path, p = %d, r=%d c=%d, r=%d, c=%d\n', p, row(a), col(a), row(b), col(b)); - W = [W; path]; - - B = addwirepath(B,path,-p); - % [B BH BV] = addbridgewirepath(B,BH,BV,path,-p); - - connected = true; - break - end - end - if ~connected - continue - end - end - end - - [row col] = find(B == p); - Npins = size(row,1); - - maxstep = min(kappa,p+1); - - for j = 1:Npins - [row2 col2] = find(B == -p); - Npinwires = size(row2,1); - - % find all pairwise distances - % a = already connected (pin or wire), b = not yet connected - Npairs = Npinwires * (Npins-j+1); - dist = zeros(Npairs,3); - x = 0; - for a = 1:Npinwires - for b = j:Npins - x = x + 1; - dist(x,1) = a; - dist(x,2) = b; - dist(x,3) = abs(row2(a)-row(b)) + abs(col2(a)-col(b)); - end - end - % sort by distance - [d ix] = sort(dist(:,3)); - dist = dist(ix,:); - - % try to connect closest pair possible - connected = false; - for x = 1:Npairs - if dist(x,3) > maxstep+1 - % fprintf('warning: dist = %2d\n', dist(x,3)); - break - end - a = dist(x,1); - b = dist(x,2); - % path = bridgepath(B,BH,BV,[row2(a); row(b)], [col2(a); col(b)], -p, maxbridges, kappa, p); - path = complexpath(B,[row2(a); row(b)], [col2(a); col(b)], -p, kappa, 2*p); - if size(path,1) > 0 - % fprintf('\nEXTRA BRIDGE path, p = %d, r=%d c=%d, r=%d, c=%d\n', p, row2(a), col2(a), row(b), col(b)); - W = [W; path]; - - B = addwirepath(B,path,-p); - % [B BH BV] = addbridgewirepath(B,BH,BV,path,-p); - - connected = true; - row([j b]) = row([b j]); - col([j b]) = col([b j]); - break - end - end - - if ~connected - break - end - end - + aCau = dist(PrLj,1); + path = dHg8(B,[Sd89(aCau); ecGD(FBrt)], [HZPi(aCau); HpQh(FBrt)], -XyoA, ATWm, XyoA); + PfvQ(FBrt)=true; + if size(path,1) > 0 + W = [W; path]; + B = eX3Y(B,path,-XyoA); + VfeB = VfeB + 1; + XMdP = true; + ecGD([kkTm FBrt]) = ecGD([FBrt kkTm]); + HpQh([kkTm FBrt]) = HpQh([FBrt kkTm]); + break end - end - - %% - function [BH BV] = buildbridges(Borig,B,path) - [NR NC] = size(B); - BH = Borig == 0; - BV = BH; - BH(:,[1 NC]) = false; - BV([1 NR],:) = false; - for i = 1:size(path,1) - if path(i,1) == path(i,3) % horizontal - BH(path(i,1),path(i,2)) = false; - BH(path(i,3),path(i,4)) = false; - end - if path(i,2) == path(i,4) % vertical - BV(path(i,1),path(i,2)) = false; - BV(path(i,3),path(i,4)) = false; - end + if ~XMdP + break end end - - %% - function B = addwirepath(B,path,label) - B(path(1,1),path(1,2)) = label; - for i = 1:size(path,1); - B(path(i,3),path(i,4)) = label; end end - - %% - function path = traceback(z,PZ,NR,t) - path = zeros(t,4); - dr = mod(z,NR); - dc = ceil(z/NR); - for j = 1:t - path(j,1:2) = [dr dc]; - z = PZ(z); - dr = mod(z,NR); - dc = ceil(z/NR); - path(j,3:4) = [dr dc]; end + function [W B] = aYpv(B,W,qqwx,u5tr) + [mgVc jFUm] = srCC(B,u5tr); + if jFUm < 1, return, end + mgVc=sortrows(mgVc,-u5tr); + for xOHJ = 1:jFUm + XyoA = mgVc(xOHJ,1); + RPq7 = sum(B == -XyoA); + if RPq7 == 0 + if mgVc(xOHJ,2) >= 2 + [ecGD HpQh] = find(B == XyoA); + gmtQ = size(ecGD,1); + uvvt = gmtQ*(gmtQ-1)*.5; + xMFI = (1:gmtQ*gmtQ)'; + FBrt=mod(xMFI-1,gmtQ)+1; + aCau=ceil(xMFI/gmtQ); + Wqhh = (aCau<FBrt); + aCau = aCau(Wqhh); + FBrt = FBrt(Wqhh); + Usv0 = abs(ecGD(aCau)-ecGD(FBrt)) + abs(HpQh(aCau)-HpQh(FBrt)); + dist = [aCau,FBrt,Usv0]; + [Usv0 zDzc] = sort(dist(:,3)); + dist = dist(zDzc,:); + maxstep = min(qqwx,2*XyoA+1); + XMdP = false; + for PrLj = 1:uvvt + if dist(PrLj,3) > maxstep+1 + break end - - - function path = complexpath(B,row,col,label,cutoff,maxpathlen) - - % - complexpath - - [NR NC] = size(B); - PZ = zeros(NR,NC); - C = -ones(NR,NC); - C(row(2),col(2)) = 0; % source - - % tag the targets - C(row(1),col(1)) = -2; - C( B == label ) = -2; - - znext = zeros(NR*NC,1); - znext(1) = row(2) + (col(2)-1)*NR; + aCau = dist(PrLj,1); + FBrt = dist(PrLj,2); + path = dHg8(B,[ecGD(aCau); ecGD(FBrt)], [HpQh(aCau); HpQh(FBrt)], -XyoA, qqwx, 2*XyoA); + if size(path,1) > 0 + W = [W; path]; + B = eX3Y(B,path,-XyoA); + XMdP = true; + break + end + end + if ~XMdP + continue + end + end + end + [ecGD HpQh] = find(B == XyoA); + LKFr = size(ecGD,1); + maxstep = min(qqwx,XyoA+1); + for kkTm = 1:LKFr + [Sd89 HZPi] = find(B == -XyoA); + RPq7 = size(Sd89,1); + uvvt = RPq7 * (LKFr-kkTm+1); + dist = zeros(uvvt,3); + PrLj = 0; + for aCau = 1:RPq7 + for FBrt = kkTm:LKFr + PrLj = PrLj + 1; + dist(PrLj,1) = aCau; + dist(PrLj,2) = FBrt; + dist(PrLj,3) = abs(Sd89(aCau)-ecGD(FBrt)) + abs(HZPi(aCau)-HpQh(FBrt)); + end + end + [Usv0 zDzc] = sort(dist(:,3)); + dist = dist(zDzc,:); + PfvQ = false(LKFr,1); + XMdP = false; + for PrLj = 1:uvvt + if dist(PrLj,3) > maxstep+1 + break + end + FBrt = dist(PrLj,2); + if PfvQ(FBrt) + randperm(4); + continue + end + aCau = dist(PrLj,1); + path = dHg8(B,[Sd89(aCau); ecGD(FBrt)], [HZPi(aCau); HpQh(FBrt)], -XyoA, qqwx, 2*XyoA); + PfvQ(FBrt)=true; + if size(path,1) > 0 + W = [W; path]; + B = eX3Y(B,path,-XyoA); + XMdP = true; + ecGD([kkTm FBrt]) = ecGD([FBrt kkTm]); + HpQh([kkTm FBrt]) = HpQh([FBrt kkTm]); + break + end + end + if ~XMdP + break + end + end + end + end + function [ZaS2 Y7wF] = l8f0(a3f_,B,path) + [Vjlw Bbve] = size(B); + ZaS2 = a3f_ == 0; + Y7wF = ZaS2; + ZaS2(:,[1 Bbve]) = false; + Y7wF([1 Vjlw],:) = false; + for xOHJ = 1:size(path,1) + if path(xOHJ,1) == path(xOHJ,3) + ZaS2(path(xOHJ,1),path(xOHJ,2)) = false; + ZaS2(path(xOHJ,3),path(xOHJ,4)) = false; + end + if path(xOHJ,2) == path(xOHJ,4) + Y7wF(path(xOHJ,1),path(xOHJ,2)) = false; + Y7wF(path(xOHJ,3),path(xOHJ,4)) = false; + end + end + end + function B = eX3Y(B,path,u4in) + B(path(1,1),path(1,2)) = u4in; + for xOHJ = 1:size(path,1); + B(path(xOHJ,3),path(xOHJ,4)) = u4in; + end + end + function path = i2kt(f3Q0,AcrO,Vjlw,l5Dr) + path = zeros(l5Dr,4); + BREh = mod(f3Q0,Vjlw); + zOop = ceil(f3Q0/Vjlw); + for kkTm = 1:l5Dr + path(kkTm,1:2) = [BREh zOop]; + f3Q0 = AcrO(f3Q0); + BREh = mod(f3Q0,Vjlw); + zOop = ceil(f3Q0/Vjlw); + path(kkTm,3:4) = [BREh zOop]; + end + end + function path = dHg8(B,ecGD,HpQh,u4in,ATWm,tApj) + [Vjlw Bbve] = size(B); + AcrO = zeros(Vjlw,Bbve); + H4Ha = -ones(Vjlw,Bbve); + H4Ha(ecGD(2),HpQh(2)) = 0; + H4Ha(ecGD(1),HpQh(1)) = -2; + H4Ha( B == u4in ) = -2; + LSKV = zeros(Vjlw*Bbve,1); + LSKV(1) = ecGD(2) + (HpQh(2)-1)*Vjlw; count = 1; - dZ = [-1 1 -NR NR]; - - [ign, ir] = sort(rand(1,4)); - for step = 0:min(cutoff,maxpathlen) - if count < 1, break, end - N = count; - z = znext; - count = 0; - for i = 1:N - zi = z(i); - for s=1:4 - Z = zi + dZ(ir(s)); - tag = C(Z); - if tag == -2 - PZ(Z) = zi; - path = traceback(Z,PZ,NR,step+1); - return - end - if tag == -1 && B(Z) == 0 - C(Z) = step+1; - PZ(Z) = zi; - count = count + 1; - znext(count) = Z; - end - end - end + TI0T = [-1 1 -Vjlw Vjlw]; + FghW = randperm(4); + for step = 0:min(ATWm,tApj) + if count < 1, break, end + gmtQ = count; + f3Q0 = LSKV; + count = 0; + for xOHJ = 1:gmtQ + dy1_ = f3Q0(xOHJ); + for XhQd=1:4 + XXLE = dy1_ + TI0T(FghW(XhQd)); + RHtg = H4Ha(XXLE); + if RHtg == -2 + AcrO(XXLE) = dy1_; + path = i2kt(XXLE,AcrO,Vjlw,step+1); + return end + if RHtg == -1 && B(XXLE) == 0 + H4Ha(XXLE) = step+1; + AcrO(XXLE) = dy1_; + count = count + 1; + LSKV(count) = XXLE; + end + end + end + end path = []; end - - %% - function path = bridgepath(B,BH,BV,row,col,label,maxbridges,kappa,maxpathlen) - - % - bridgepath - - % fprintf('bridgepath ...\n'); - [NR NC] = size(B); - BRIDGE = false(NR,NC); - PZ = zeros(NR,NC); - C = -ones(NR,NC); - % C(row(2),col(2)) = 0; % source - - % tag targets - C(row(1),col(1)) = -2; - C( B == label ) = -2; - - maxstep = min((maxbridges*27)+kappa,maxpathlen+1); - nextstep = zeros(maxstep+28,1); - nextstep(1) = row(2) + (col(2)-1)*NR; - dZ = [-NR NR -1 1]; - + function path = t2Vc(B,ZaS2,Y7wF,ecGD,HpQh,u4in,Ya8F,qqwx,tApj) + [Vjlw Bbve] = size(B); + CMNQ = false(Vjlw,Bbve); + AcrO = zeros(Vjlw,Bbve); + H4Ha = -ones(Vjlw,Bbve); + H4Ha(ecGD(1),HpQh(1)) = -2; + H4Ha( B == u4in ) = -2; + maxstep = min((Ya8F*27)+qqwx,tApj+1); + Pw7m = zeros(maxstep+28,1); + Pw7m(1) = ecGD(2) + (HpQh(2)-1)*Vjlw; + TI0T = [-Vjlw Vjlw -1 1]; for step = 1:maxstep - while nextstep(step)>0 - zi = nextstep(step); - nextstep(step)=C(zi); - for s = 1:4 - Z = zi + dZ(s); - tag = C(Z); - if tag==-1 - if B(Z) == 0 - C(Z) = nextstep(step+1); - nextstep(step+1) = Z; - PZ(Z) = zi; - elseif (BH(Z)&&(s<3)) || (BV(Z)&&(s>2)) - C(Z) = nextstep(step+26); - nextstep(step+26) = Z; - PZ(Z) = zi; - BRIDGE(Z) = true; - end - end - if tag==-2 - step=step+1; - PZ(Z) = zi; - dr=mod(Z,NR); - dc=ceil(Z/NR); - path = zeros(step,4); - j = 0; - while dr ~= row(2) || dc ~= col(2) - j = j + 1; - path(j,1:2) = [dr dc]; - Z = dr + (dc-1)*NR; - pz = PZ(Z); - pr=mod(pz,NR); - pc=ceil(pz/NR); - path(j,3:4) = [pr pc]; - dr = pr; - dc = pc; - if BRIDGE(dr,dc) - j = j + 1; - path(j,:) = [dr dc dr dc]; - end - end - path = path(1:j,:); - return - end - - end - end + while Pw7m(step)>0 + dy1_ = Pw7m(step); + Pw7m(step)=H4Ha(dy1_); + for XhQd = 1:4 + XXLE = dy1_ + TI0T(XhQd); + RHtg = H4Ha(XXLE); + if RHtg==-1 + if B(XXLE) == 0 + H4Ha(XXLE) = Pw7m(step+1); + Pw7m(step+1) = XXLE; + AcrO(XXLE) = dy1_; + elseif (ZaS2(XXLE)&&(XhQd<3)) || (Y7wF(XXLE)&&(XhQd>2)) + H4Ha(XXLE) = Pw7m(step+26); + Pw7m(step+26) = XXLE; + AcrO(XXLE) = dy1_; + CMNQ(XXLE) = true; end + end + if RHtg==-2 + step=step+1; + AcrO(XXLE) = dy1_; + BREh=mod(XXLE,Vjlw); + zOop=ceil(XXLE/Vjlw); + path = zeros(step,4); + kkTm = 0; + while BREh ~= ecGD(2) || zOop ~= HpQh(2) + kkTm = kkTm + 1; + path(kkTm,1:2) = [BREh zOop]; + XXLE = BREh + (zOop-1)*Vjlw; + YA3Q = AcrO(XXLE); + W__3=mod(YA3Q,Vjlw); + TQrM=ceil(YA3Q/Vjlw); + path(kkTm,3:4) = [W__3 TQrM]; + BREh = W__3; + zOop = TQrM; + if CMNQ(BREh,zOop) + kkTm = kkTm + 1; + path(kkTm,:) = [BREh zOop BREh zOop]; + end + end + path = path(1:kkTm,:); + return + end + end + end + end path = []; end - - - function W = solverF(B) - [W,S] = function1(B); - IN55LEuuYN = 0; - d2F7TC2nTS = round(mod(B(:),2)); - if S < 2100 - return + function W = RW2t(B) + [W,Fx8_] = lhHh(B); + pYOP = 0; + xAUt = round(mod(B(:),2)); + if Fx8_ < 2100 + return end - [kJfcOitU9b,ZqDtJmqMeb] = size(B); + [QPXZ,v8Il] = size(B); B = flipud(fliplr(B')); - [zElIwYjTOJ,FZzcxpyenz] = function1(B); - if S > FZzcxpyenz - W = [kJfcOitU9b-zElIwYjTOJ(:,2)+1 ZqDtJmqMeb-zElIwYjTOJ(:,1)+1 kJfcOitU9b-zElIwYjTOJ(:,4)+1 ZqDtJmqMeb-zElIwYjTOJ(:,3)+1]; + [giWv,DkAF] = lhHh(B); + if Fx8_ > DkAF + W = [QPXZ-giWv(:,2)+1 v8Il-giWv(:,1)+1 QPXZ-giWv(:,4)+1 v8Il-giWv(:,3)+1]; end - if d2F7TC2nTS~=IN55LEuuYN; W = zeros(0,4); end + if xAUt~=pYOP; W = zeros(0,4); end end - - function [W,S] = function1(B) - [nR,nC]=size(B); - Bpad=nan(nR+2,nC+2); - Bpad(2:end-1,2:end-1)=B; - Bedit = Bpad; - maxbridges = 4; - if size(Bedit,2) > 20 - cutfirst = 4; - cutsecond = 8; - cutoff = 12; + function [W,Fx8_] = lhHh(B) + [jxrF,CK3x]=size(B); + QPcb=nan(jxrF+2,CK3x+2); + QPcb(2:end-1,2:end-1)=B; + wbkl = QPcb; + Ya8F = 4; + if size(wbkl,2) > 20 + fJkO = 4; + rtf5 = 8; + ATWm = 12; else - cutfirst = 3; - cutsecond = 7; - cutoff = 11; + fJkO = 3; + rtf5 = 7; + ATWm = 11; end - S = inf; - X1 = [1 2;2 1]; - X2 = [1 3;3 1]; - Y = [3 2 1;1 2 3]; - for x = 1:2 - if x == 2 - [U BU] = phase1_a(Bedit,cutfirst,X1(x,:)); - [UU BUU] = phase3a(BU,U,cutsecond,X2(x,:)); - [V BX] = phase3a(BUU,UU,cutoff,X2(x,:)); - else - [U BU] = phase1_a(Bedit,4,X1(x,:)); - [V BX] = phase3a(BU,U,11,X2(x,:)); - end - for y = 1:2 - if x == 2 && y == 2 && S > 2100, return, end - W1 = phase2_a(Bedit,BX,V,maxbridges,cutoff,Y(y,:))-1; - S1 = mygrade(B,W1); - if S1 <= S - S = S1; - W = W1; - maxbridges = maxbridges - 1; - end - end + Fx8_ = inf; + WABR = [1 2;2 1]; + pvu3 = [1 3;3 1]; + A2oU = [3 2 1;1 2 3]; + for PrLj = 1:2 + if PrLj == 2 + [U1_6 lzpH] = La8O(wbkl,fJkO,WABR(PrLj,:)); + [BceY pPZr] = sdsO(lzpH,U1_6,rtf5,pvu3(PrLj,:)); + [mR4E M7eC] = sdsO(pPZr,BceY,ATWm,pvu3(PrLj,:)); + else + [U1_6 lzpH] = La8O(wbkl,4,WABR(PrLj,:)); + [mR4E M7eC] = sdsO(lzpH,U1_6,11,pvu3(PrLj,:)); end - if nR*nC > 290; return; end - br = sum(W(:,1)==W(:,3)&W(:,2)==W(:,4)); - if br <= 4 - WSH = solverSHa(B); - ssh = mygrade(B,WSH); - if ssh < S - W = WSH; - S = ssh; - end + for HwSv = 1:2 + if PrLj == 2 && HwSv == 2 && Fx8_ > 2100, return, end + n3Es = si0k(wbkl,M7eC,mR4E,Ya8F,ATWm,A2oU(HwSv,:))-1; + Pe9I = KAIg(B,n3Es); + if Pe9I <= Fx8_ + Fx8_ = Pe9I; + W = n3Es; + Ya8F = Ya8F - 1; end end - - - function path = complexpath_a(B,row,col,label,cutoff,maxpathlen) - function path = traceback_a(r,c,pathLength) - pR(r,c) = zR(i); - pC(r,c) = zC(i); - path = zeros(pathLength,4); - for jjj = 1:pathLength - path(jjj,1:2) = [r c]; - preR = pR(r,c); - preC = pC(r,c); - path(jjj,3:4) = [preR preC]; - r = preR; - c = preC; end + if jxrF*CK3x > 290; return; end + SNxt = sum(W(:,1)==W(:,3)&W(:,2)==W(:,4)); + if SNxt <= 4 + t338 = pFb8(B); + fmgs = KAIg(B,t338); + if fmgs < Fx8_ + W = t338; + Fx8_ = fmgs; end - [NR NC] = size(B); - pR = zeros(NR,NC); - pC = zeros(NR,NC); - C = -ones(NR,NC); - C(row(2),col(2)) = 0; - C(row(1),col(1)) = -2; - C( B == label ) = -2; - rnext = zeros(NR*NC,1); - cnext = zeros(NR*NC,1); + end + end + function path = Jc4U(B,ecGD,HpQh,u4in,ATWm,tApj) + function path = N5BB(YQUd,Q8W1,DBuO) + ziNW(YQUd,Q8W1) = ufpD(xOHJ); + gPQr(YQUd,Q8W1) = VHri(xOHJ); + path = zeros(DBuO,4); + for SQMB = 1:DBuO + path(SQMB,1:2) = [YQUd Q8W1]; + oZXe = ziNW(YQUd,Q8W1); + ptRw = gPQr(YQUd,Q8W1); + path(SQMB,3:4) = [oZXe ptRw]; + YQUd = oZXe; + Q8W1 = ptRw; + end + end + [Vjlw Bbve] = size(B); + ziNW = zeros(Vjlw,Bbve); + gPQr = zeros(Vjlw,Bbve); + H4Ha = -ones(Vjlw,Bbve); + H4Ha(ecGD(2),HpQh(2)) = 0; + H4Ha(ecGD(1),HpQh(1)) = -2; + H4Ha( B == u4in ) = -2; + vVGM = zeros(Vjlw*Bbve,1); + iqVA = zeros(Vjlw*Bbve,1); count = 1; - rnext(1) = row(2); - cnext(1) = col(2); - dR=[-1 1 0 0]; - dC=[0 0 -1 1]; - for step = 0:min(cutoff,maxpathlen) - if count < 1, break, end - N = count; - zR = rnext; - zC = cnext; - count = 0; - for i = 1:N - Aa2p_xqlDq = zC(i); - zi = zR(i); - for s=1:4 - r = zi + dR(s); - c = Aa2p_xqlDq + dC(s); - Z = r + (c-1)*NR; - tag = C(Z); - if tag == -2 - path = traceback_a(r,c,step+1); - return - elseif tag == -1 && B(Z) == 0 - C(Z) = step+1; - pR(Z) = zi; - pC(Z) = Aa2p_xqlDq; - count = count + 1; rnext(count) = r; cnext(count) = c; - end - end - end + vVGM(1) = ecGD(2); + iqVA(1) = HpQh(2); + RXNO=[-1 1 0 0]; + rwGc=[0 0 -1 1]; + for step = 0:min(ATWm,tApj) + if count < 1, break, end + gmtQ = count; + ufpD = vVGM(1:gmtQ); + VHri = iqVA(1:gmtQ); + count = 0; + for xOHJ = 1:gmtQ + tY_q = VHri(xOHJ); + dy1_ = ufpD(xOHJ); + for XhQd=1:4 + YQUd = dy1_ + RXNO(XhQd); + Q8W1 = tY_q + rwGc(XhQd); + XXLE = YQUd + (Q8W1-1)*Vjlw; + RHtg = H4Ha(XXLE); + if RHtg == -2 + path = N5BB(YQUd,Q8W1,step+1); + return + elseif RHtg == -1 && B(XXLE) == 0 + H4Ha(XXLE) = step+1; + ziNW(XXLE) = dy1_; + gPQr(XXLE) = tY_q; + count = count + 1; vVGM(count) = YQUd; iqVA(count) = Q8W1; end + end + end + end path = []; end - - - - - function w = solverSHa(b) - p = unique(b); - p(1) = []; - n = zeros(size(p)); - for i = 1:length(n) - n(i) = nnz(p(i) == b(:)); + function qX1Z = pFb8(FBrt) + XyoA = unique(FBrt); + XyoA(1) = []; + USaz = zeros(size(XyoA)); + for xOHJ = 1:length(USaz) + USaz(xOHJ) = nnz(XyoA(xOHJ) == FBrt(:)); end - for i = 1:length(n) - if n(i) == 1 - b(p(i) == b(:)) = -1; - end + for xOHJ = 1:length(USaz) + if USaz(xOHJ) == 1 + FBrt(XyoA(xOHJ) == FBrt(:)) = -1; end - g = zeros(size(b)+2); - bb = repmat(-1,size(g)); - bb(2:end-1,2:end-1) = b; - w = []; - [rr, cc] = find(bb>0); - d = (size(bb,1)/2 - rr).^2 + (size(bb,2)/2 - cc).^2; - [d, order] = sort(d); + end + DxlF = zeros(size(FBrt)+2); + XDtT = repmat(-1,size(DxlF)); + XDtT(2:end-1,2:end-1) = FBrt; + qX1Z = []; + [eZW0, QV6_] = find(XDtT>0); + Usv0 = (size(XDtT,1)/2 - eZW0).^2 + (size(XDtT,2)/2 - QV6_).^2; + [Usv0, order] = sort(Usv0); order = order'; - for k = 1:length(rr)-1 - bestscore = 0; - minsteps = 32; - for i = order - if g(rr(i), cc(i)) - continue - end - [score, mv, steps] = findBestMove_a(bb, g, rr(i), cc(i), minsteps); - if score > bestscore - bestscore = score; - bestmove = mv; - minsteps = steps; - if minsteps == 1 - break - end - end - end - if bestscore == 0 - w = w - 1; - return - end - g = addwirepath(g, bestmove, bb(bestmove(1,1), bestmove(1,2))); - bb = addwirepath(bb, bestmove, bb(bestmove(1,1), bestmove(1,2))); - w = [w; bestmove]; + for jFUm = 1:length(eZW0)-1 + jl0w = 0; + WDNu = 32; + for xOHJ = order + if DxlF(eZW0(xOHJ), QV6_(xOHJ)) + continue end - w = w - 1; + [WpVp, PxAW, PBW9] = iPLu(XDtT, DxlF, eZW0(xOHJ), QV6_(xOHJ), WDNu); + if WpVp > jl0w + jl0w = WpVp; + Rlfy = PxAW; + WDNu = PBW9; + if WDNu == 1 + break end - - - function [bestscore, bestmove, minsteps] = findBestMove_a(b, g, z, zC, tniOHnFTWS) - bestscore = 0; - bestmove = []; - jjj = [1 -1 0 0]; - k = [0 0 1 -1]; - if ~any(g(:)==b(z,zC)) - g = b; end - bb = b; - bb(bb>0) = -1; - bb(z,zC) = 1; - minsteps = Inf; - p = b(z,zC); - for i = 1:tniOHnFTWS-2 - [rr, cc] = find(bb==i); - for n = 1:length(rr) - for GEOY9vqvEy = 1:4 - Cw4BfzRNQ6 = rr(n) + jjj(GEOY9vqvEy); - qpF1lfOV53 = cc(n) + k(GEOY9vqvEy); - if g(Cw4BfzRNQ6,qpF1lfOV53) == p && ~(Cw4BfzRNQ6 == z && qpF1lfOV53 == zC) - minsteps = i; - break - end - wzyazJbPVF = bb(Cw4BfzRNQ6,qpF1lfOV53); - if wzyazJbPVF == 0 - bb(Cw4BfzRNQ6,qpF1lfOV53) = i+1; - end - end - if minsteps < Inf - break - end - end - if minsteps < Inf - break - end end - if minsteps == Inf - return + if jl0w == 0 + qX1Z = qX1Z - 1; + return end - bestscore = b(z,zC) - minsteps; - if minsteps == 1 - bestmove = [z, zC, Cw4BfzRNQ6, qpF1lfOV53]; - return + DxlF = eX3Y(DxlF, Rlfy, XDtT(Rlfy(1,1), Rlfy(1,2))); + XDtT = eX3Y(XDtT, Rlfy, XDtT(Rlfy(1,1), Rlfy(1,2))); + qX1Z = [qX1Z; Rlfy]; end - bestmove = zeros(minsteps,4); - for step = minsteps:-1:1 - for GEOY9vqvEy = 1:4 - RugyNPRQTT = Cw4BfzRNQ6 + jjj(GEOY9vqvEy); - Wlfr8gQkkJ = qpF1lfOV53 + k(GEOY9vqvEy); - if bb(RugyNPRQTT, Wlfr8gQkkJ) == step - break - end - end - bestmove(step,:) = [RugyNPRQTT, Wlfr8gQkkJ, Cw4BfzRNQ6, qpF1lfOV53]; - Cw4BfzRNQ6 = RugyNPRQTT; - qpF1lfOV53 = Wlfr8gQkkJ; + qX1Z = qX1Z - 1; end + function [jl0w, Rlfy, WDNu] = iPLu(FBrt, DxlF, f3Q0, VHri, kKiK) + jl0w = 0; + Rlfy = []; + SQMB = [1 -1 0 0]; + jFUm = [0 0 1 -1]; + if ~any(DxlF(:)==FBrt(f3Q0,VHri)) + DxlF = FBrt; end - - - function [W B] = phase1_a(B,cutoff,rz) + XDtT = FBrt; + XDtT(XDtT>0) = -1; + XDtT(f3Q0,VHri) = 1; + WDNu = Inf; + XyoA = FBrt(f3Q0,VHri); + for xOHJ = 1:kKiK-2 + [eZW0, QV6_] = find(XDtT==xOHJ); + for USaz = 1:length(eZW0) + for a52_ = 1:4 + Z2B5 = eZW0(USaz) + SQMB(a52_); + zWQw = QV6_(USaz) + jFUm(a52_); + if DxlF(Z2B5,zWQw) == XyoA && ~(Z2B5 == f3Q0 && zWQw == VHri) + WDNu = xOHJ; + break + end + I_0Z = XDtT(Z2B5,zWQw); + if I_0Z == 0 + XDtT(Z2B5,zWQw) = xOHJ+1; + end + end + if WDNu < Inf + break + end + end + if WDNu < Inf + break + end + end + if WDNu == Inf + return + end + jl0w = FBrt(f3Q0,VHri) - WDNu; + if WDNu == 1 + Rlfy = [f3Q0, VHri, Z2B5, zWQw]; + return + end + Rlfy = zeros(WDNu,4); + for step = WDNu:-1:1 + for a52_ = 1:4 + cY0k = Z2B5 + SQMB(a52_); + RJ5L = zWQw + jFUm(a52_); + if XDtT(cY0k, RJ5L) == step + break + end + end + Rlfy(step,:) = [cY0k, RJ5L, Z2B5, zWQw]; + Z2B5 = cY0k; + zWQw = RJ5L; + end + end + function [W B] = La8O(B,ATWm,u5tr) W = []; - [pincount k] = analyzeboard(B,rz); - if k < 1 - return + [mgVc jFUm] = srCC(B,u5tr); + if jFUm < 1 + return end - pincount=sortrows(pincount,-rz); - for i = 1:k - if pincount(i,2) >= 2 - p = pincount(i,1); - [row col] = find(B == p); - N = size(row,1); - Npairs = N*(N-1)/2; - dist = zeros(Npairs,3); - x = 0; - for a = 1:N - for b = (a+1):N - x = x + 1; - dist(x,1) = a; - dist(x,2) = b; - dist(x,3) = abs(row(a)-row(b)) + abs(col(a)-col(b)); - end - end - [d ix] = sort(dist(:,3)); - dist = dist(ix,:); - qfUlAeE6ke = reshape(dist(:,1:2)',[],1); - npins = 0; - qYyU89IINf = 1; - OEmC4q5N3Q = false(N,1); - for i=1:N - lNue6SeFoq = find( ~OEmC4q5N3Q(qfUlAeE6ke(qYyU89IINf:end)) , 1 , 'first'); - if isempty(lNue6SeFoq) - break - end - a = qfUlAeE6ke(lNue6SeFoq); - Distance = abs(row([1:a-1,a+1:end]')-row(a)) + abs(col([1:a-1,a+1:end]')-col(a)); - if max(Distance)>cutoff-1 - break - end - path = DqbHRtn5ft(B,row(a),col(a),row([1:a-1,a+1:end]'),col([1:a-1,a+1:end]'), -p, cutoff, 2*p); - if size(path,1) > 0 - W = [W; path]; - B = addwirepath(B,path,-p); - npins = 2; - break - end - end - if npins < 2 - continue - end - for jjj = 3:N - [row2 col2] = find(B == -p); - [row col] = find(B == p); - [AM3xhXGopY,pXUGUzzwiB] = meshgrid(row,row2); - [sb9p2RYeiU,Je3dFDJNL9] = meshgrid(row,row2); - Distance = abs(AM3xhXGopY-pXUGUzzwiB) + abs(sb9p2RYeiU-Je3dFDJNL9); - if max(Distance(:))>cutoff-1 - break - end - path = DqbHRtn5ft(B,row2,col2,row,col, -p, cutoff, 2*p); - if size(path,1) > 0 - W = [W; path]; - B = addwirepath(B,path,-p); - connected = true; - else - break - end - end - end + mgVc=sortrows(mgVc,-u5tr); + for xOHJ = 1:jFUm + if mgVc(xOHJ,2) >= 2 + XyoA = mgVc(xOHJ,1); + [ecGD HpQh] = find(B == XyoA); + gmtQ = size(ecGD,1); + uvvt = gmtQ*(gmtQ-1)/2; + dist = zeros(uvvt,3); + PrLj = 0; + for aCau = 1:gmtQ + for FBrt = (aCau+1):gmtQ + PrLj = PrLj + 1; + dist(PrLj,1) = aCau; + dist(PrLj,2) = FBrt; + dist(PrLj,3) = abs(ecGD(aCau)-ecGD(FBrt)) + abs(HpQh(aCau)-HpQh(FBrt)); end end - - - function [W B] = phase3a(B,W,XDfVAc3Mmp,rz) - [pincount k] = analyzeboard(B,rz); - if k < 1, return, end - pincount=sortrows(pincount,-rz); - for i = 1:k - p = pincount(i,1); - Npinwires = sum(B == -p); - if Npinwires == 0 - if pincount(i,2) >= 2 - [row col] = find(B == p); - N = size(row,1); - Npairs = N*(N-1)/2; - dist = zeros(Npairs,3); - x = 0; - for a = 1:N - for b = (a+1):N - x = x + 1; - dist(x,1) = a; - dist(x,2) = b; - dist(x,3) = abs(row(a)-row(b)) + abs(col(a)-col(b)); - end - end - [d ix] = sort(dist(:,3)); - dist = dist(ix,:); - maxstep = min(XDfVAc3Mmp,2*p+1); - connected = false; - for x = 1:Npairs - if dist(x,3) > maxstep+1 - break - end - a = dist(x,1); - b = dist(x,2); - path = complexpath_a(B,[row(a); row(b)], [col(a); col(b)], -p, XDfVAc3Mmp, 2*p); - if size(path,1) > 0 - W = [W; path]; - B = addwirepath(B,path,-p); - connected = true; - break - end - end - if ~connected - continue - end - end - end - [row col] = find(B == p); - wibFptvq9Y = size(row,1); - maxstep = min(XDfVAc3Mmp,p+1); - for jjj = 1:wibFptvq9Y - [row2 col2] = find(B == -p); - [row col] = find(B == p); - connected = false; - path = DqbHRtn5ft(B,row2,col2,row,col, -p, XDfVAc3Mmp, p); - if size(path,1) > 0 - W = [W; path]; - B = addwirepath(B,path,-p); - connected = true; - end - if ~connected - break - end - end + [Usv0 zDzc] = sort(dist(:,3)); + dist = dist(zDzc,:); + GX3_ = reshape(dist(:,1:2)',[],1); + VfeB = 0; + aWxX = 1; + c5Sm = false(gmtQ,1); + for xOHJ=1:gmtQ + Iqpn = find( ~c5Sm(GX3_(aWxX:end)) , 1 , 'first'); + if isempty(Iqpn) + break end + aCau = GX3_(Iqpn); + Distance = abs(ecGD([1:aCau-1,aCau+1:end]')-ecGD(aCau)) + abs(HpQh([1:aCau-1,aCau+1:end]')-HpQh(aCau)); + if max(Distance)>ATWm-1 + break end - - - function [W B] = phase2_a(Bpad,B,W,maxbridges,XDfVAc3Mmp,rz) - function hr2OdLy5K5() - for w = 1:size(path,1); - if path(w,1) == path(w,3) - YTx56DA5U8(path(w,1),path(w,2)) = false; - YTx56DA5U8(path(w,3),path(w,4)) = false; - if path(w,2) == path(w,4) - B(path(w,1),path(w,2)) = -9999; - end - end - if path(w,2) == path(w,4) - P9_FTG1hds(path(w,1),path(w,2)) = false; - P9_FTG1hds(path(w,3),path(w,4)) = false; - end + path = ZQeg(B,ecGD(aCau),HpQh(aCau),ecGD([1:aCau-1,aCau+1:end]'),HpQh([1:aCau-1,aCau+1:end]'), -XyoA, ATWm, 2*XyoA); + if size(path,1) > 0 + W = [W; path]; + B = eX3Y(B,path,-XyoA); + VfeB = 2; + break end end - [YTx56DA5U8 P9_FTG1hds] = buildbridges(Bpad,B,W); - [pincount k] = analyzeboard(B,rz); - if k < 1, return, end - pincount=sortrows(pincount,-rz); - for i = 1:k - p = pincount(i,1); - Npinwires = sum(B == -p); - if Npinwires == 0 - if pincount(i,2) >= 2 - [row col] = find(B == p); - N = size(row,1); - Npairs = N*(N-1)/2; - dist = zeros(Npairs,3); - x = 0; - for a = 1:N - for b = (a+1):N - x = x + 1; - dist(x,1) = a; - dist(x,2) = b; - dist(x,3) = abs(row(a)-row(b)) + abs(col(a)-col(b)); - end - end - [d ix] = sort(dist(:,3)); - dist = dist(ix,:); - maxstep = min((maxbridges*25)+XDfVAc3Mmp,2*p+1); - connected = false; - for x = 1:Npairs - if dist(x,3) > maxstep+1 - break - end - a = dist(x,1); - b = dist(x,2); - path = bridgepath(B,YTx56DA5U8,P9_FTG1hds,[row(a); row(b)], [col(a); col(b)], -p, maxbridges, XDfVAc3Mmp, 2*p); - if size(path,1) > 0 - W = [W; path]; - B = addwirepath(B,path,-p); - hr2OdLy5K5(); - connected = true; - break - end - end - if ~connected - continue - end - end - end - row = find(B == p); - wibFptvq9Y = size(row,1); - % maxstep = min((maxbridges*25)+XDfVAc3Mmp,p+1); - for jjj = 1:wibFptvq9Y - z2 = find(B == -p); - z = find(B == p); - connected = false; - path = d4TZerDbiG(B,YTx56DA5U8,P9_FTG1hds,z2,z, maxbridges, XDfVAc3Mmp, p); - if size(path,1) > 0 - W = [W; path]; - B = addwirepath(B,path,-p); - hr2OdLy5K5(); - connected = true; - end - if ~connected - break - end - end + if VfeB < 2 + continue end + for SQMB = 3:gmtQ + [Sd89 HZPi] = find(B == -XyoA); + [ecGD HpQh] = find(B == XyoA); + [vFgz,AnVf] = meshgrid(ecGD,Sd89); + [ugps,bS6n] = meshgrid(ecGD,Sd89); + Distance = abs(vFgz-AnVf) + abs(ugps-bS6n); + if max(Distance(:))>ATWm-1 + break end - - %% - function path = d4TZerDbiG(B,BH,BV,zS,zT,maxbridges,kappa,maxpathlen) - function path = traceback_b(Z,step) - PZ(Z) = zi; - r=mod(Z,NR); - c=ceil(Z/NR); - path = zeros(step,4); - jjj = 0; - - while ~any(zS==Z) - jjj = jjj + 1; - path(jjj,1:2) = [r c]; - Z = PZ(Z); - r=mod(Z,NR); - c=ceil(Z/NR); - path(jjj,3:4) = [r c]; - if BRIDGE(r,c) - jjj = jjj + 1; - path(jjj,:) = [r c r c]; - end - end - path = path(1:jjj,:); - end - [NR NC] = size(B); - BRIDGE = false(NR,NC); - PZ = zeros(NR,NC); - C = -ones(NR,NC); - C(zS) = 0; - C(zT) = -2; - maxstep = min((maxbridges*25)+kappa,maxpathlen+1); - nextstep = zeros(maxstep+26,1); + path = ZQeg(B,Sd89,HZPi,ecGD,HpQh, -XyoA, ATWm, 2*XyoA); + if size(path,1) > 0 + W = [W; path]; + B = eX3Y(B,path,-XyoA); + XMdP = true; + else + break + end + end + end + end + end + function [W B] = sdsO(B,W,uI0n,u5tr) + [mgVc jFUm] = srCC(B,u5tr); + if jFUm < 1, return, end + mgVc=sortrows(mgVc,-u5tr); + for xOHJ = 1:jFUm + XyoA = mgVc(xOHJ,1); + RPq7 = sum(B == -XyoA); + if RPq7 == 0 + if mgVc(xOHJ,2) >= 2 + [ecGD HpQh] = find(B == XyoA); + gmtQ = size(ecGD,1); + uvvt = gmtQ*(gmtQ-1)/2; + dist = zeros(uvvt,3); + PrLj = 0; + for aCau = 1:gmtQ + for FBrt = (aCau+1):gmtQ + PrLj = PrLj + 1; + dist(PrLj,1) = aCau; + dist(PrLj,2) = FBrt; + dist(PrLj,3) = abs(ecGD(aCau)-ecGD(FBrt)) + abs(HpQh(aCau)-HpQh(FBrt)); + end + end + [Usv0 zDzc] = sort(dist(:,3)); + dist = dist(zDzc,:); + maxstep = min(uI0n,2*XyoA+1); + XMdP = false; + for PrLj = 1:uvvt + if dist(PrLj,3) > maxstep+1 + break + end + aCau = dist(PrLj,1); + FBrt = dist(PrLj,2); + path = Jc4U(B,[ecGD(aCau); ecGD(FBrt)], [HpQh(aCau); HpQh(FBrt)], -XyoA, uI0n, 2*XyoA); + if size(path,1) > 0 + W = [W; path]; + B = eX3Y(B,path,-XyoA); + XMdP = true; + break + end + end + if ~XMdP + continue + end + end + end + [ecGD HpQh] = find(B == XyoA); + g2b_ = size(ecGD,1); + maxstep = min(uI0n,XyoA+1); + for SQMB = 1:g2b_ + [Sd89 HZPi] = find(B == -XyoA); + [ecGD HpQh] = find(B == XyoA); + XMdP = false; + path = ZQeg(B,Sd89,HZPi,ecGD,HpQh, -XyoA, uI0n, XyoA); + if size(path,1) > 0 + W = [W; path]; + B = eX3Y(B,path,-XyoA); + XMdP = true; + end + if ~XMdP + break + end + end + end + end + function [W B] = si0k(QPcb,B,W,Ya8F,uI0n,u5tr) + function FkJD() + for qX1Z = 1:size(path,1); + if path(qX1Z,1) == path(qX1Z,3) + ybHE(path(qX1Z,1),path(qX1Z,2)) = false; + ybHE(path(qX1Z,3),path(qX1Z,4)) = false; + if path(qX1Z,2) == path(qX1Z,4) + B(path(qX1Z,1),path(qX1Z,2)) = -9999; + end + end + if path(qX1Z,2) == path(qX1Z,4) + Ux1V(path(qX1Z,1),path(qX1Z,2)) = false; + Ux1V(path(qX1Z,3),path(qX1Z,4)) = false; + end + end + end + [ybHE Ux1V] = l8f0(QPcb,B,W); + [mgVc jFUm] = srCC(B,u5tr); + if jFUm < 1, return, end + mgVc=sortrows(mgVc,-u5tr); + for xOHJ = 1:jFUm + XyoA = mgVc(xOHJ,1); + RPq7 = sum(B == -XyoA); + if RPq7 == 0 + if mgVc(xOHJ,2) >= 2 + [ecGD HpQh] = find(B == XyoA); + gmtQ = size(ecGD,1); + uvvt = gmtQ*(gmtQ-1)/2; + dist = zeros(uvvt,3); + PrLj = 0; + for aCau = 1:gmtQ + for FBrt = (aCau+1):gmtQ + PrLj = PrLj + 1; + dist(PrLj,1) = aCau; + dist(PrLj,2) = FBrt; + dist(PrLj,3) = abs(ecGD(aCau)-ecGD(FBrt)) + abs(HpQh(aCau)-HpQh(FBrt)); + end + end + [Usv0 zDzc] = sort(dist(:,3)); + dist = dist(zDzc,:); + maxstep = min((Ya8F*25)+uI0n,2*XyoA+1); + XMdP = false; + for PrLj = 1:uvvt + if dist(PrLj,3) > maxstep+1 + break + end + aCau = dist(PrLj,1); + FBrt = dist(PrLj,2); + path = t2Vc(B,ybHE,Ux1V,[ecGD(aCau); ecGD(FBrt)], [HpQh(aCau); HpQh(FBrt)], -XyoA, Ya8F, uI0n, 2*XyoA); + if size(path,1) > 0 + W = [W; path]; + B = eX3Y(B,path,-XyoA); + FkJD(); + XMdP = true; + break + end + end + if ~XMdP + continue + end + end + end + [ecGD HpQh] = find(B == XyoA); + g2b_ = size(ecGD,1); + maxstep = min((Ya8F*25)+uI0n,XyoA+1); + for SQMB = 1:g2b_ + [Sd89 HZPi] = find(B == -XyoA); + [ecGD HpQh] = find(B == XyoA); + XMdP = false; + path = UxOn(B,ybHE,Ux1V,Sd89,HZPi,ecGD,HpQh, -XyoA, Ya8F, uI0n, XyoA); + if size(path,1) > 0 + W = [W; path]; + B = eX3Y(B,path,-XyoA); + FkJD(); + XMdP = true; + end + if ~XMdP + break + end + end + end + end + function path = UxOn(B,ZaS2,Y7wF,rowS,colS,OLZ0,AXZ1,u4in,Ya8F,qqwx,tApj) + function path = i2kt(XXLE,step) + AcrO(XXLE) = dy1_; + path = zeros(step,4); + kkTm = 0; + l0jx = 0; + FuJZ = zeros(step,1); + oVz6 = zeros(step,1); + r6sL = zeros(step,1); + while isempty(find(BKF2==XXLE,1)) + kkTm = kkTm + 1; + FuJZ(kkTm,1) = XXLE; + YA3Q = AcrO(XXLE); + oVz6(kkTm,1) = YA3Q; + XXLE = YA3Q; + if CMNQ(XXLE) + l0jx = l0jx + 1; + r6sL(l0jx,1) = XXLE; + end + end + FuJZ = [ FuJZ(1:kkTm,:) ; r6sL(1:l0jx,1) ]; + oVz6 = [ oVz6(1:kkTm,:) ; r6sL(1:l0jx,1) ]; + path = [ mod(FuJZ,Vjlw) , ceil(FuJZ/Vjlw) , mod(oVz6,Vjlw) , ceil(oVz6/Vjlw) ]; + end + [Vjlw Bbve] = size(B); + CMNQ = false(Vjlw,Bbve); + AcrO = zeros(Vjlw,Bbve); + H4Ha = -ones(Vjlw,Bbve); + BKF2 = rowS + (colS-1)*Vjlw; + H4Ha(BKF2) = 0; + H4Ha(OLZ0 + (AXZ1-1)*Vjlw) = -2; + maxstep = min((Ya8F*25)+qqwx,tApj+1); + Sut9 = zeros(maxstep+26,1); + prAp = [-1 1]; for step = 0:maxstep - if step == 0 - z = zS; - elseif nextstep(step) == 0 - continue - else - z = find(C == step); - end - N = numel(z); - for i = 1:N - zi = z(i); - Z = zi - NR; - tag = C(Z); - if tag == -2 - path = traceback_b(Z,step+1); - return - elseif tag == -1 - if B(Z) == 0 - C(Z) = step+1; nextstep(step+1) = 1; - PZ(Z) = zi; - elseif BH(Z) - C(Z) = step+26; nextstep(step+26) = 1; - PZ(Z) = zi; - BRIDGE(Z) = true; - end - end - Z = zi + NR; - tag = C(Z); - if tag == -2 - path = traceback_b(Z,step+1); - return - elseif tag == -1 - if B(Z) == 0 - C(Z) = step+1; nextstep(step+1) = 1; - PZ(Z) = zi; - elseif BH(Z) - C(Z) = step+26; nextstep(step+26) = 1; - PZ(Z) = zi; - BRIDGE(Z) = true; - end - end - Z = zi - 1; - tag = C(Z); - if tag == -2 - path = traceback_b(Z,step+1); - return - elseif tag == -1 - if B(Z) == 0 - C(Z) = step+1; nextstep(step+1) = 1; - PZ(Z) = zi; - elseif BV(Z) - C(Z) = step+26; nextstep(step+26) = 1; - PZ(Z) = zi; - BRIDGE(Z) = true; - end - end - Z = zi + 1; - tag = C(Z); - if tag == -2 - path = traceback_b(Z,step+1); - return - elseif tag == -1 - if B(Z) == 0 - C(Z) = step+1; nextstep(step+1) = 1; - PZ(Z) = zi; - elseif BV(Z) - C(Z) = step+26; nextstep(step+26) = 1; - PZ(Z) = zi; - BRIDGE(Z) = true; - end - end - end + if step == 0 + f3Q0 = BKF2; + elseif Sut9(step) == 0 + continue + else + f3Q0 = find(H4Ha == step); end + gmtQ = numel(f3Q0); + for xOHJ = 1:gmtQ + dy1_ = f3Q0(xOHJ); + for ZhhA = 1:2 + XXLE = dy1_ + prAp(ZhhA) * Vjlw; + RHtg = H4Ha(XXLE); + if RHtg == -2 + path = i2kt(XXLE,step+1); + return + elseif RHtg == -1 + if B(XXLE) == 0 + H4Ha(XXLE) = step+1; Sut9(step+1) = 1; + AcrO(XXLE) = dy1_; + elseif ZaS2(XXLE) + H4Ha(XXLE) = step+26; Sut9(step+26) = 1; + AcrO(XXLE) = dy1_; + CMNQ(XXLE) = true; + end + end + end + for ZhhA = 1:2 + XXLE = dy1_ + prAp(ZhhA); + RHtg = H4Ha(XXLE); + if RHtg == -2 + path = i2kt(XXLE,step+1); + return + elseif RHtg == -1 + if B(XXLE) == 0 + H4Ha(XXLE) = step+1; Sut9(step+1) = 1; + AcrO(XXLE) = dy1_; + elseif Y7wF(XXLE) + H4Ha(XXLE) = step+26; Sut9(step+26) = 1; + AcrO(XXLE) = dy1_; + CMNQ(XXLE) = true; + end + end + end + end + end path = zeros(0,4); end - - function path = DqbHRtn5ft(B,rowS,colS,FIg5RLlRYM,bX69T9QEhw,label,cutoff,maxpathlen) - % function path = traceback_a(r,c,pathLength) - % pR(r,c) = zR(i); - % pC(r,c) = zC(i); - % path = zeros(pathLength,4); - % for jjj = 1:pathLength - % path(jjj,1:2) = [r c]; - % preR = pR(r,c); - % preC = pC(r,c); - % path(jjj,3:4) = [preR preC]; - % r = preR; - % c = preC; - % end - % end - [NR NC] = size(B); - pR = zeros(NR,NC); - pC = zeros(NR,NC); - C = -ones(NR,NC); - C(rowS+(colS-1)*NR) = 0; - C(FIg5RLlRYM+(bX69T9QEhw-1)*NR) = -2; - znext = zeros(NR*NC,1); - cnext = zeros(NR*NC,1); + function path = ZQeg(B,rowS,colS,QCnW,Fbwo,u4in,ATWm,tApj) + [Vjlw Bbve] = size(B); + ziNW = zeros(Vjlw,Bbve); + gPQr = zeros(Vjlw,Bbve); + H4Ha = -ones(Vjlw,Bbve); + H4Ha(rowS+(colS-1)*Vjlw) = 0; + H4Ha(QCnW+(Fbwo-1)*Vjlw) = -2; + LSKV = zeros(Vjlw*Bbve,1); + iqVA = zeros(Vjlw*Bbve,1); count = numel(rowS); - znext(1:count) = rowS; - cnext(1:count) = colS; - dR=[-1 1 0 0]; - dC=[0 0 -1 1]; - for step = 0:min(cutoff,maxpathlen) - if count < 1, break, end - N = count; - zR = znext; - zC = cnext; - count = 0; - for i = 1:N - Aa2p_xqlDq = zC(i); - zi = zR(i); - for s=1:4 - r = zi + dR(s); - c = Aa2p_xqlDq + dC(s); - Z = r + (c-1)*NR; - tag = C(Z); - if tag == -2 - %path = traceback_a(r,c,step+1); - pathLength=step+1; - pR(r,c) = zR(i); - pC(r,c) = zC(i); - path = zeros(pathLength,4); - for jjj = 1:pathLength - path(jjj,1:2) = [r c]; - preR = pR(r,c); - preC = pC(r,c); - path(jjj,3:4) = [preR preC]; - r = preR; - c = preC; - end - return - end - if tag == -1 && B(Z) == 0 - C(Z) = step+1; - pR(Z) = zi; - pC(Z) = Aa2p_xqlDq; - count = count + 1; znext(count) = r; cnext(count) = c; - end - end - end + LSKV(1:count) = rowS; + iqVA(1:count) = colS; + RXNO=[-1 1 0 0]; + rwGc=[0 0 -1 1]; + for step = 0:min(ATWm,tApj) + if count < 1, break, end + gmtQ = count; + ufpD = LSKV(1:gmtQ); + VHri = iqVA(1:gmtQ); + count = 0; + for xOHJ = 1:gmtQ + tY_q = VHri(xOHJ); + dy1_ = ufpD(xOHJ); + for XhQd=1:4 + YQUd = dy1_ + RXNO(XhQd); + Q8W1 = tY_q + rwGc(XhQd); + XXLE = YQUd + (Q8W1-1)*Vjlw; + RHtg = H4Ha(XXLE); + if RHtg == -2 + DBuO=step+1; + ziNW(YQUd,Q8W1) = ufpD(xOHJ); + gPQr(YQUd,Q8W1) = VHri(xOHJ); + path = zeros(DBuO,4); + for SQMB = 1:DBuO + path(SQMB,1:2) = [YQUd Q8W1]; + oZXe = ziNW(YQUd,Q8W1); + ptRw = gPQr(YQUd,Q8W1); + path(SQMB,3:4) = [oZXe ptRw]; + YQUd = oZXe; + Q8W1 = ptRw; end + return + end + if RHtg == -1 && B(XXLE) == 0 + H4Ha(XXLE) = step+1; + ziNW(XXLE) = dy1_; + gPQr(XXLE) = tY_q; + count = count + 1; LSKV(count) = YQUd; iqVA(count) = Q8W1; + end + end + end + end path = []; - end+ end