2012-11-07 16:00:00 UTC

Machine that goes Ping

Status: Passed
Results: 1212 (cyc: 15, node: 1215)
CPU Time: 172.033
Score: 1610460000.0
Submitted at: 2012-11-07 03:49:50 UTC
Scored at: 2012-11-07 03:55:43 UTC

Current Rank: 1902nd (Highest: 1597th )
Based on: Machine that goes Ping (diff)
Basis for: Machine that goes Ping (diff)

Code
function xyOut = solver_Ni(a, xyIn, wts)

deg=diag(sum(a));
[V,~]=eig(deg-a,deg);
N = length(a);

[p1i,p2i] = find( triu(a,1));
[pickr,pickc] = find(tril(true(nnz(triu(a,1))),-1));

for ss=1:3
[xy{ss} xy{ss+3}] = solver_alfonsoz (a, ss+1, N, V+rand(size(V))/25); % (Biswas)
end
[xy{7} xy{8}] = solver_alfonsoz (a, 1, N, V);
xy{9} = solver_hannes(xyIn, N, V(:,2:3),0);

parfor ss=1:9
end

[ZBest,best] = min(NN);
xyOut = xy{best};

xyOut = bsxfun(@minus,xyOut,round(wts*(xyOut-xyIn)./sum(wts)));

ni_Lim=60;
if N>=100,ni_Lim=40;end

sprev = rng(0,'twister');

for ii=1:2
ni=0;
for jiggle=1:180
xyOutZ=xyOut+randi([-ii ii],N,2);
if grade<ZBest && size(unique(xyOutZ,'rows'),1)==N
xyOut=xyOutZ;
ni=0;
end
ni=ni+1;
if ni>ni_Lim,break;end
end
end

for ii=1:2
ni=0;
for jiggle=1:90
xyOutZ=xyOut+randi([-ii ii],N,2);
if grade<ZBest && size(unique(xyOutZ,'rows'),1)==N
xyOut=xyOutZ;
ni=0;
end
ni=ni+1;
if ni>ni_Lim,break;end
end
end

rng(sprev);

for jiggle=2:min(40,N)
xyOutJ1=xyOut;
xyOutJ2=xyOut;
idx=jiggle:jiggle:2*N;

xyOutJ1(idx)=xyOut(idx)+1;
xyOutJ2(idx)=xyOut(idx)-1;
end

end

if grade1<ZBest && size(unique(xyOutJ1,'rows'),1)==N
xyOut=xyOutJ1; % Use jiggle enhanced for more jiggling
%break % Greedy
elseif grade2<ZBest && size(unique(xyOutJ2,'rows'),1)==N
xyOut=xyOutJ2; % Use jiggle enhanced for more jiggling
%break % Greedy
end
end

function [xyOut xyOut1] = solver_alfonsoz(a, ss, N, V)
randn('seed',ss);
xyOut=V(:,2:3);
sN=sqrt(N);
for ncut=1:2
Mbeta=((1-ss/15)*eye(N)+(ss/15)*bsxfun(@rdivide,a+eye(N),sum(a,2)+1))^10;
for n1=1:(117+ss)
xyOut=Mbeta*xyOut;
xc = bsxfun(@minus,xyOut,sum(xyOut)/N);
[c1,D]=svd(xc');
xyOut=xc*c1*diag(sN./(.1+D([1 4])))*c1';
end
[i,j]=find(a>0.002+ss*5.1e-4);
dd=sum((xyOut(i,:)-xyOut(j,:)).^2,2);
k=find(dd>(3.15 + ss*0.102)*mean(dd));
if isempty(k), break; end
a(i(k)+N*(j(k)-1))=0.002+ss*5.1e-4;
end

xyOutH=xyOut;
single_idx = find(sum(a)==1);
[singles_link, ~] = find(a(:,single_idx)==1);

for zsingle=1:2
xyOut0=sqrt(N)*detrend(xyOut,'constant')*diag(1./std(xyOut,1,1));
k=5;
[sxyOut0,idxequal]=sortrows(round(15*xyOut0));
idxequal=idxequal(all(~diff(sxyOut0,1,1),2));
xyOut=round(xyOut0);
while size(unique(xyOut,'rows'),1)~=N
k=k*(1.0+ss*0.055);
xyOut=xyOut0*k;
xyOut(idxequal,:)=(xyOut0(idxequal,:)+randn(numel(idxequal),2)/(9+ss))*k;
xyOut=round(xyOut);
end
if zsingle==1
xyOut1=xyOut;
xyOut=xyOutH;
end
end
end

function xyOut = solver_hannes(xyIn, N, V,xyOut)
mult    = norm(max(xyIn)-min(xyIn))/norm(max(V)-min(V));
%xyOut   = [];
while size(unique(xyOut,'rows'),1)<N
xyOut       = round(V*mult);
[~,i]       = unique(xyOut,'rows');
m           = setdiff(1:N,i);
xyOut(m,:)  = xyOut(m,:) + round(rand(length(m),2))*2 - 1;
mult        = mult*1.5;
end
end

% Jupiter11-12-13
function ans = gradeIt(p1i,p2i,pickr,pickc,XYnew)
X = [XYnew(p1i,:) XYnew(p2i,:)];
xa = X(pickr,:);
xb = X(pickc,:);
A13 = xa(:,1) - xa(:,3);
A24 = xa(:,2) - xa(:,4);
B13 = xb(:,1) - xb(:,3);
B24 = xb(:,2) - xb(:,4);
A = xb(:,1).*xb(:,4) - xb(:,2).*xb(:,3);
B = xa(:,1).*xa(:,4) - xa(:,2).*xa(:,3);
AA = (xa(:,1).*B24 - xa(:,2).*B13 + A) ...
.*(xa(:,3).*B24 - xa(:,4).*B13 + A);
BB = (xb(:,1).*A24 - xb(:,2).*A13 + B) ...
.*(xb(:,3).*A24 - xb(:,4).*A13 + B);

sum(all([ abs(A13) .* AA <=0  ...
abs(A24) .* AA <=0  ...
abs(B13) .* BB <=0  ...
abs(B24) .* BB <=0  ...
],2));

%    sum( (((A13==0) & (A24==0)) | (AA <=0) ) & ...
%         (((B13==0) & (B24==0)) | (BB <=0) ));

end