Cody

Problem 39. Which values occur exactly three times?

Solution 876363

Submitted on 18 Apr 2016 by Kirsten Findlay
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Test Suite

Test Status Code Input and Output
1   Pass
x = [1 2 5 2 2 7 8 3 3 1 3 8 8 8]; y_correct = [2 3]; assert(isequal(threeTimes(x),y_correct))

sortedunique = 1 2 3 4 5 6 7 8 h = Histogram with properties: Data: [1 2 5 2 2 7 8 3 3 1 3 8 8 8] Values: [2 3 3 0 1 0 1 4] NumBins: 8 BinEdges: [0.5000 1.5000 2.5000 3.5000 4.5000 5.5000 6.5000 7.5000 8.5000] BinWidth: 1 BinLimits: [0.5000 8.5000] Normalization: 'count' FaceColor: 'auto' EdgeColor: [0 0 0] Show all properties counts = 2 3 3 0 1 0 1 4 y = [] a = [] a = 2 y = 2 a = 3 y = 2 3

2   Pass
x = [1 1 1]; y_correct = [1]; assert(isequal(threeTimes(x),y_correct))

sortedunique = 1 h = Histogram with properties: Data: [1 1 1] Values: 3 NumBins: 1 BinEdges: [0.5000 1.5000] BinWidth: 1 BinLimits: [0.5000 1.5000] Normalization: 'count' FaceColor: 'auto' EdgeColor: [0 0 0] Show all properties counts = 3 y = [] a = [] a = 1 y = 1

3   Pass
x = [5 10 -3 10 -3 11 -3 5 5 7]; y_correct = [-3 5]; assert(isequal(threeTimes(x),y_correct))

sortedunique = -3 -2 -1 0 1 2 3 4 5 6 7 8 9 10 11 h = Histogram with properties: Data: [5 10 -3 10 -3 11 -3 5 5 7] Values: [3 0 0 0 0 0 0 0 3 0 1 0 0 2 1] NumBins: 15 BinEdges: [1x16 double] BinWidth: 1 BinLimits: [-3.5000 11.5000] Normalization: 'count' FaceColor: 'auto' EdgeColor: [0 0 0] Show all properties counts = 3 0 0 0 0 0 0 0 3 0 1 0 0 2 1 y = [] a = [] a = -3 y = -3 a = 5 y = -3 5