Problem 730. How many trades represent all the profit?

Solution 165635

Submitted on 20 Nov 2012 by T.D.

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Test	Status	Code Input and Output
1	Pass	%% trades = [1 3 -4 2 -1 2 3] y_correct = 2; assert(isequal(trade_profit(trades),y_correct)) trades = 1 3 -4 2 -1 2 3
2	Pass	%% trades = [1 2 3 -5] y_correct = 1; assert(isequal(trade_profit(trades),y_correct)) trades = 1 2 3 -5
3	Pass	%% trades = [1 2 3 4 5 6] y_correct = 6; assert(isequal(trade_profit(trades),y_correct)) trades = 1 2 3 4 5 6
4	Pass	%% trades = [-2 3 -4 5 -6 1 2 3 4 5] y_correct = 3; assert(isequal(trade_profit(trades),y_correct)) trades = -2 3 -4 5 -6 1 2 3 4 5