Cody

# Problem 731. Given a window, how many subsets of a vector sum positive

Solution 662174

Submitted on 28 Apr 2015 by Li Yjie
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### Test Suite

Test Status Code Input and Output
1   Pass
%% x = [1 0 -1 3 2 -3 1]; window = 2; y_correct = 3; assert(isequal(sum_positive(x, window),y_correct))

a = 1 a = 1 -1 a = 1 -1 2 a = 1 -1 2 5 a = 1 -1 2 5 -1 a = 1 -1 2 5 -1 -2 ans = 3

2   Pass
%% x = [1 0 -1 3 2 -3 1]; window = 3; y_correct = 3; assert(isequal(sum_positive(x, window),y_correct))

a = 0 a = 0 2 a = 0 2 4 a = 0 2 4 2 a = 0 2 4 2 0 ans = 3

3   Pass
%% x = [1 0 -1 3 2 -3 1]; window = 4; y_correct = 4; assert(isequal(sum_positive(x, window),y_correct))

a = 3 a = 3 4 a = 3 4 1 a = 3 4 1 3 ans = 4

4   Pass
%% x = [1 0 -1 3 2 -3 1 1 1 1 1 1]; window = 2; y_correct = 8; assert(isequal(sum_positive(x, window),y_correct))

a = 1 a = 1 -1 a = 1 -1 2 a = 1 -1 2 5 a = 1 -1 2 5 -1 a = 1 -1 2 5 -1 -2 a = 1 -1 2 5 -1 -2 2 a = 1 -1 2 5 -1 -2 2 2 a = 1 -1 2 5 -1 -2 2 2 2 a = 1 -1 2 5 -1 -2 2 2 2 2 a = 1 -1 2 5 -1 -2 2 2 2 2 2 ans = 8