Cody

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

Solution 431950

Submitted on 15 Apr 2014 by Joel
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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))

b = 0 c = 1 y = 0 range = 1 0 positive = 1 y = 1 range = 0 -1 positive = -1 range = -1 3 positive = 2 y = 2 range = 3 2 positive = 5 y = 3 range = 2 -3 positive = -1 range = -3 1 positive = -2

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

b = 0 c = 1 y = 0 range = 1 0 -1 positive = 0 range = 0 -1 3 positive = 2 y = 1 range = -1 3 2 positive = 4 y = 2 range = 3 2 -3 positive = 2 y = 3 range = 2 -3 1 positive = 0

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

b = 0 c = 1 y = 0 range = 1 0 -1 3 positive = 3 y = 1 range = 0 -1 3 2 positive = 4 y = 2 range = -1 3 2 -3 positive = 1 y = 3 range = 3 2 -3 1 positive = 3 y = 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))

b = 0 c = 1 y = 0 range = 1 0 positive = 1 y = 1 range = 0 -1 positive = -1 range = -1 3 positive = 2 y = 2 range = 3 2 positive = 5 y = 3 range = 2 -3 positive = -1 range = -3 1 positive = -2 range = 1 1 positive = 2 y = 4 range = 1 1 positive = 2 y = 5 range = 1 1 positive = 2 y = 6 range = 1 1 positive = 2 y = 7 range = 1 1 positive = 2 y = 8