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Correct

49Size
Leading solution size is 29.
This solution is locked. To view this solution, you need to provide a solution of the same size or smaller.

Test Suite

Test
Code Input and Output
1
Pass
 
%%
format long
format compact
seed=clock;
seed=1000*seed(6);
rng(seed)
n=4;
% Create a Unique element square array
M=randperm(n*n);
M=reshape(M,n,n)
vr=M(1:n,:);
vr=sortrows(vr);
vc=M(:,1:n);
vc=sortrows(vc')';
tic
M_out=Criss_Cross(vr,vc);
toc
M_out
assert(isequal(M,M_out));
M =
     6    14     4    15
     5     3    11     1
     9     8    13    16
     7    12     2    10
Elapsed time is 0.095424 seconds.
M_out =
     6    14     4    15
     5     3    11     1
     9     8    13    16
     7    12     2    10
2
Pass
 
%%
seed=clock;
seed=1000*seed(6);
rng(seed)
n=8;
% Create a Unique element square array
M=randperm(n*n);
M=reshape(M,n,n)
vr=M(1:n,:);
vr=sortrows(vr);
vc=M(:,1:n);
vc=sortrows(vc')';
tic
M_out=Criss_Cross(vr,vc);
toc
M_out
assert(isequal(M,M_out));
M =
     6    46    51    45    56    62    14    47
    16    53    61    30    54    64    32    59
    52    35    13    34    43    28    63    58
    42    17    55     3     1     8    20    29
    22    19     2    50    36    49    48    37
    60    12    38    31    18    57    33    26
    25    23    44    21    40     5     4    11
    10    41    39    15    27    24     7     9
Elapsed time is 0.013849 seconds.
M_out =
     6    46    51    45    56    62    14    47
    16    53    61    30    54    64    32    59
    52    35    13    34    43    28    63    58
    42    17    55     3     1     8    20    29
    22    19     2    50    36    49    48    37
    60    12    38    31    18    57    33    26
    25    23    44    21    40     5     4    11
    10    41    39    15    27    24     7     9
3
Pass
 
%%
seed=clock;
seed=1000*seed(6);
rng(seed)
n=128;
% Create a Unique element square array
M=randperm(n*n);
M=reshape(M,n,n);
vr=M(1:n,:);
vr=sortrows(vr);
vc=M(:,1:n);
vc=sortrows(vc')';
tic
M_out=Criss_Cross(vr,vc);
toc
assert(isequal(M,M_out));
Elapsed time is 0.000759 seconds.
4
Pass
 
%%
seed=clock;
seed=1000*seed(6);
rng(seed)
n=1024;
% Create a Unique element square array
M=randperm(n*n);
M=reshape(M,n,n);
vr=M(1:n,:);
vr=sortrows(vr);
vc=M(:,1:n);
vc=sortrows(vc')';
tic
M_out=Criss_Cross(vr,vc);
toc
assert(isequal(M,M_out));
Elapsed time is 0.007511 seconds.
5
Pass
 
%%
seed=clock;
seed=1000*seed(6);
rng(seed)
n=4096;
% Create a Unique element square array
M=randperm(n*n);
M=reshape(M,n,n);
vr=M(1:n,:);
vr=sortrows(vr);
vc=M(:,1:n);
vc=sortrows(vc')';
tic
M_out=Criss_Cross(vr,vc);
toc
assert(isequal(M,M_out));
Elapsed time is 0.190885 seconds.