Cody

# Problem 38. Return a list sorted by number of occurrences

Solution 449746

Submitted on 4 Jun 2014 by Richard
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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 rx = Columns 1 through 16 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Columns 17 through 32 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 Columns 33 through 48 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 Columns 49 through 64 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 Columns 65 through 80 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 Columns 81 through 93 81 82 83 84 85 86 87 88 89 90 91 92 93 c = Columns 1 through 16 3 2 2 1 1 0 0 0 0 0 0 0 0 0 0 0 Columns 17 through 32 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Columns 33 through 48 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Columns 49 through 64 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Columns 65 through 80 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Columns 81 through 93 0 0 0 0 0 0 0 0 0 0 0 0 0 d = Columns 1 through 16 2 3 7 1 93 4 5 6 8 9 10 11 12 13 14 15 Columns 17 through 32 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Columns 33 through 48 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 Columns 49 through 64 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 Columns 65 through 80 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 Columns 81 through 93 80 81 82 83 84 85 86 87 88 89 90 91 92 ans = 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))

rx = Columns 1 through 16 -1 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Columns 17 through 32 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Columns 33 through 48 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 Columns 49 through 64 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 Columns 65 through 80 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 Columns 81 through 89 79 80 81 82 83 84 85 86 87 c = Columns 1 through 16 5 4 3 2 2 1 1 0 0 0 0 0 0 0 0 0 Columns 17 through 32 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Columns 33 through 48 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Columns 49 through 64 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Columns 65 through 80 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Columns 81 through 89 0 0 0 0 0 0 0 0 0 d = Columns 1 through 16 1 21 22 36 89 12 23 2 3 4 5 6 7 8 9 10 Columns 17 through 32 11 13 14 15 16 17 18 19 20 24 25 26 27 28 29 30 Columns 33 through 48 31 32 33 34 35 37 38 39 40 41 42 43 44 45 46 47 Columns 49 through 64 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 Columns 65 through 80 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 Columns 81 through 89 80 81 82 83 84 85 86 87 88 ans = -1 19 20 34 87 10 21

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