Cody

Problem 38. Return a list sorted by number of occurrences

Solution 892782

Submitted on 20 May 2016 by david hansen
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Test Suite

Test Status Code Input and Output
1   Pass
x = [1 2 2 2 3 3 7 7 93] y_correct = [2 3 7 1 93]; assert(isequal(popularity(x),y_correct))

x = 1 2 2 2 3 3 7 7 93 zz = 1 2 3 7 93 c = 1 c = 1 3 c = 1 3 2 c = 1 3 2 2 c = 1 3 2 2 1 z = 3 2 2 3 2 7 1 1 1 93 y = 2 3 7 1 93

2   Pass
x = [-1 19 20 -1 -1 87 19 34 19 -1 21 87 20 10 20 34 19 -1]; y_correct = [-1 19 20 34 87 10 21]; assert(isequal(popularity(x),y_correct))

zz = -1 10 19 20 21 34 87 c = 5 c = 5 1 c = 5 1 4 c = 5 1 4 3 c = 5 1 4 3 1 c = 5 1 4 3 1 2 c = 5 1 4 3 1 2 2 z = 5 -1 4 19 3 20 2 34 2 87 1 10 1 21 y = -1 19 20 34 87 10 21

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