Cody

# Problem 730. How many trades represent all the profit?

Solution 291144

Submitted on 28 Jul 2013 by JeremyR
This solution is locked. To view this solution, you need to provide a solution of the same size or smaller.

### Test Suite

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 a = 6 b = 3 3 2 2 1 -1 -4 z = 0 i = 1 z = 3 i = 2 z = 6 i = 3 y = 2

2   Pass
%% trades = [1 2 3 -5] y_correct = 1; assert(isequal(trade_profit(trades),y_correct))

trades = 1 2 3 -5 a = 1 b = 3 2 1 -5 z = 0 i = 1 z = 3 i = 2 y = 1

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 a = 21 b = 6 5 4 3 2 1 z = 0 i = 1 z = 6 i = 2 z = 11 i = 3 z = 15 i = 4 z = 18 i = 5 z = 20 i = 6 z = 21 i = 7 y = 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 a = 11 b = 5 5 4 3 3 2 1 -2 -4 -6 z = 0 i = 1 z = 5 i = 2 z = 10 i = 3 z = 14 i = 4 y = 3