Cody

# Problem 39. Which values occur exactly three times?

Solution 893278

Submitted on 22 May 2016 by Steve
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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))

bin_edges = 0.5000 1.5000 2.5000 3.5000 4.5000 5.5000 6.5000 7.5000 8.5000 hist = 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 bins_with_3 = 2 3 y = 2 3

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

bin_edges = 0.5000 1.5000 hist = 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 bins_with_3 = 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))

bin_edges = Columns 1 through 9 -3.5000 -2.5000 -1.5000 -0.5000 0.5000 1.5000 2.5000 3.5000 4.5000 Columns 10 through 16 5.5000 6.5000 7.5000 8.5000 9.5000 10.5000 11.5000 hist = 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 bins_with_3 = 1 9 y = -3 5