Cody

# Problem 45298. How many ways?

Solution 2120427

Submitted on 6 Feb 2020 by Tim
• Size: 22
• This is the leading solution.
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### Test Suite

Test Status Code Input and Output
1   Pass
n = 3; y_correct = 1; assert(isequal( how_many(n),y_correct))

2   Pass
n = 4; y_correct = 2; assert(isequal( how_many(n),y_correct))

3   Pass
n = 6; y_correct = 14; assert(isequal( how_many(n),y_correct))

4   Pass
n = 8; y_correct = 132; assert(isequal( how_many(n),y_correct))

5   Pass
n = 9; y_correct = 429; assert(isequal( how_many(n),y_correct))

6   Pass
n = 12; y_correct = 16796; assert(isequal( how_many(n),y_correct))

7   Pass
n = 15; y_correct = 742900; assert(isequal( how_many(n),y_correct))

8   Pass
n = 20; y_correct = 477638700; assert(isequal( how_many(n),y_correct))

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