Problem 1286. MatCAT - Reconstruct X from Its X-rays

Solution 3575820

Submitted on 7 Nov 2020 by Daniele Certini

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Test	Status	Code Input and Output
1	Pass	row_sums = [3 5 11]; col_sums = [4 7 8]; x = matcat(row_sums,col_sums); assert(all(x(:)>=0)) assert(isequal(floor(x),x)) assert(isequal(sum(x,2)',row_sums)) assert(isequal(sum(x,1),col_sums)) Iteration 499: Best Cost = 0 Iteration 500: Best Cost = 0 x = 2 0 1 0 0 5 2 7 2
2	Pass	row_sums = [2 2 2 2 2 6]; col_sums = [2 3 3 3 3 2]; x = matcat(row_sums,col_sums); assert(all(x(:)>=0)) assert(isequal(floor(x),x)) assert(isequal(sum(x,2)',row_sums)) assert(isequal(sum(x,1),col_sums)) Iteration 499: Best Cost = 0 Iteration 500: Best Cost = 0 x = 0 0 1 0 0 1 0 1 0 0 0 1 0 0 1 0 1 0 1 0 1 0 0 0 0 1 0 1 0 0 1 1 0 2 2 0
3	Pass	row_sums = [65 65 65 65 65]; col_sums = [65 65 65 65 65]; x = matcat(row_sums,col_sums); assert(all(x(:)>=0)) assert(isequal(floor(x),x)) assert(isequal(sum(x,2)',row_sums)) assert(isequal(sum(x,1),col_sums))
4	Pass	row_sums = [22 34 33]; col_sums = [15 23 18 21 12]; x = matcat(row_sums,col_sums); assert(all(x(:)>=0)) assert(isequal(floor(x),x)) assert(isequal(sum(x,2)',row_sums)) assert(isequal(sum(x,1),col_sums)) Iteration 499: Best Cost = 0 Iteration 500: Best Cost = 0 x = 5 1 8 0 8 4 6 5 16 3 6 16 5 5 1
5	Pass	row_sums = 55; col_sums = [1 2 3 4 5 6 7 8 9 10]; x = matcat(row_sums,col_sums); assert(all(x(:)>=0)) assert(isequal(floor(x),x)) assert(isequal(sum(x,2)',row_sums)) assert(isequal(sum(x,1),col_sums)) Iteration 499: Best Cost = 0 Iteration 500: Best Cost = 0 x = 1 2 3 4 5 6 7 8 9 10

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