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