Problem 660. Find a subset that divides the vector into equal halves

Solution 1313846

Submitted on 25 Oct 2017 by Eric G.

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Test	Status	Code Input and Output
1	Pass	x = [1 2 3 4 5 6 7]; xi = split_it(x); assert(isequal(sum(x(xi)),sum(x)/2)); indx = 0×1 empty double column vector k = 3 indx = 15 xi = 1 6 7
2	Pass	x = [2 2 2 2 2 2]; xi = split_it(x); assert(isequal(sum(x(xi)),sum(x)/2)); indx = 0×1 empty double column vector k = 3 indx = 1 xi = 1 2 3
3	Pass	x = [2 5 4 5 4]; xi = split_it(x); assert(isequal(sum(x(xi)),sum(x)/2)); indx = 6 xi = 2 4
4	Pass	x = [1 3 1 1 9 7]; xi = split_it(x); assert(isequal(sum(x(xi)),sum(x)/2)); indx = 0×1 empty double column vector k = 3 indx = 4 xi = 1 2 6
5	Pass	x = primes(100); xi = split_it(x); assert(isequal(sum(x(xi)),sum(x)/2)); indx = 0×1 empty double column vector k = 3 indx = 0×1 empty double column vector k = 4 indx = 0×1 empty double column vector k = 5 indx = 0×1 empty double column vector k = 6 indx = 0×1 empty double column vector k = 7 indx = 0×1 empty double column vector k = 8 indx = 590467 xi = 2 13 19 20 22 23 24 25