Cody

# Problem 138. Number of 1s in the Binary Representation of a Number

Solution 1138264

Submitted on 13 Mar 2017 by yurenchu
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### Test Suite

Test Status Code Input and Output
1   Pass
x = 0; y_correct = 0; assert(isequal(your_fcn_name(x),y_correct))

2   Pass
x = 215; y_correct = 6; assert(isequal(your_fcn_name(x),y_correct))

ans = 1 ans = 2 ans = 2 ans = 3 ans = 3 ans = 4 ans = 5 ans = 6

3   Pass
x = 1:100; y_correct = [1 1 2 1 2 2 3 1 2 2 3 2 3 3 4 1 2 2 3 2 3 3 4 2 3 3 4 3 4 4 5 1 2 2 3 2 3 3 4 2 3 3 4 3 4 4 5 2 3 3 4 3 4 4 5 3 4 4 5 4 5 5 6 1 2 2 3 2 3 3 4 2 3 3 4 3 4 4 5 2 3 3 4 3 4 4 5 3 4 4 5 4 5 5 6 2 3 3 4 3]; assert(isequal(your_fcn_name(x),y_correct))

ans = Columns 1 through 29 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Columns 30 through 58 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Columns 59 through 87 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Columns 88 through 100 1 1 1 1 1 1 1 1 1 1 1 1 1 ans = Columns 1 through 29 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Columns 30 through 58 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Columns 59 through 87 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Columns 88 through 100 1 1 1 1 1 1 1 1 2 2 2 2 2 ans = Columns 1 through 29 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Columns 30 through 58 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 2 Columns 59 through 87 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 Columns 88 through 100 2 2 2 2 2 2 2 2 2 2 2 2 2 ans = Columns 1 through 29 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 Columns 30 through 58 2 2 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 3 3 3 Columns 59 through 87 3 3 3 3 3 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 Columns 88 through 100 3 3 3 3 3 3 3 3 2 2 2 2 2 ans = Columns 1 through 29 0 0 0 1 1 1 1 1 1 1 1 2 2 2 2 1 1 1 1 2 2 2 2 2 2 2 2 3 3 Columns 30 through 58 3 3 1 1 1 1 2 2 2 2 2 2 2 2 3 3 3 3 2 2 2 2 3 3 3 3 3 3 3 Columns 59 through 87 3 4 4 4 4 1 1 1 1 2 2 2 2 2 2 2 2 3 3 3 3 2 2 2 2 3 3 3 3 Columns 88 through 100 3 3 3 3 4 4 4 4 2 2 2 2 3 ans = Columns 1 through 29 0 1 1 1 1 2 2 1 1 2 2 2 2 3 3 1 1 2 2 2 2 3 3 2 2 3 3 3 3 Columns 30 through 58 4 4 1 1 2 2 2 2 3 3 2 2 3 3 3 3 4 4 2 2 3 3 3 3 4 4 3 3 4 Columns 59 through 87 4 4 4 5 5 1 1 2 2 2 2 3 3 2 2 3 3 3 3 4 4 2 2 3 3 3 3 4 4 Columns 88 through 100 3 3 4 4 4 4 5 5 2 2 3 3 3 ans = Columns 1 through 29 1 1 2 1 2 2 3 1 2 2 3 2 3 3 4 1 2 2 3 2 3 3 4 2 3 3 4 3 4 Columns 30 through 58 4 5 1 2 2 3 2 3 3 4 2 3 3 4 3 4 4 5 2 3 3 4 3 4 4 5 3 4 4 Columns 59 through 87 5 4 5 5 6 1 2 2 3 2 3 3 4 2 3 3 4 3 4 4 5 2 3 3 4 3 4 4 5 Columns 88 through 100 3 4 4 5 4 5 5 6 2 3 3 4 3

4   Pass
x = magic(10); y_correct = [ 4 4 1 1 4 3 3 4 4 2 3 2 3 3 1 3 5 4 1 3 1 3 3 2 3 4 3 6 3 5 4 5 3 3 2 4 5 3 4 3 4 5 3 1 2 5 2 4 3 2 2 2 3 4 4 3 3 3 2 2 4 2 3 4 5 2 4 1 4 2 5 2 3 6 3 4 5 3 4 2 2 2 5 2 4 3 3 3 4 4 3 2 3 4 3 2 4 3 4 5 ]; assert(isequal(your_fcn_name(x),y_correct))

ans = 1 1 0 0 0 1 1 0 0 0 1 1 0 0 0 1 0 0 1 0 0 1 1 0 0 0 0 0 1 0 1 1 0 0 0 0 0 1 1 0 1 1 0 0 0 0 1 1 0 0 0 0 1 1 1 0 0 0 0 1 0 0 1 1 1 0 0 0 0 1 1 0 0 1 1 0 0 0 0 1 0 0 1 1 1 0 0 0 0 0 0 0 1 1 1 0 0 0 0 0 ans = 1 2 0 0 0 1 1 1 1 1 2 1 0 0 0 1 1 1 1 1 0 1 1 0 0 1 1 1 1 1 1 1 0 0 0 1 1 1 1 0 1 1 0 0 0 1 1 1 1 1 0 0 1 1 1 1 1 0 1 1 0 0 1 1 1 1 0 1 1 1 1 0 0 1 2 0 0 1 1 1 0 0 1 2 1 1 1 1 1 1 0 0 2 1 1 1 1 1 0 1 ans = 2 2 0 0 0 1 1 2 2 1 2 2 0 0 1 1 2 2 1 1 0 2 2 1 1 2 2 2 1 1 2 2 1 1 0 2 2 1 1 1 2 2 1 0 0 2 1 1 2 1 1 1 1 2 2 1 2 1 1 1 1 0 2 2 2 2 1 1 1 1 1 0 0 2 2 1 1 1 1 1 0 0 2 2 1 1 1 1 1 2 0 1 2 1 2 1 1 2 1 2 ans = 3 2 0 1 1 1 2 2 3 2 2 2 0 1 1 2 2 3 1 2 0 2 3 1 1 2 3 3 1 2 2 2 1 1 0 3 3 1 1 2 2 3 2 0 1 3 1 2 2 1 1 2 2 2 3 2 2 2 1 1 1 0 2 3 3 2 2 1 1 1 2 0 1 3 2 2 2 1 2 2 1 1 3 2 2 1 1 2 2 2 1 1 2 2 2 1 2 2 2 3 ans = 4 2 0 1 2 1 2 2 3 2 2 2 1 2 1 2 3 3 1 2 1 2 3 2 2 3 3 4 2 3 3 3 1 2 0 4 4 2 2 3 3 4 2 0 1 4 2 2 3 1 1 2 3 2 3 2 2 2 1 1 2 1 2 3 3 2 3 1 2 1 3 1 2 4 2 3 3 2 3 2 1 2 4 2 3 1 2 3 3 3 1 1 3 3 3 2 2 2 2 3 ans = 4 3 0 1 3 2 3 3 4 2 3 2 2 3 1 2 4 3 1 2 1 2 3 2 3 4 3 5 3 4 3 4 2 2 1 4 5 2 3 3 4 4 2 1 1 4 2 3 3 2 1 2 3 3 4 3 2 3 1 1 3 1 3 3 4 2 4 1 3 2 4 2 2 5 2 3 4 3 3 2 2 2 5 2 4 2 2 3 4 3 2 2 3 3 3 2 3 3 3 4 ans = 4 4 1 1 4 3 3 4 4 2 3 2 3 3 1 3 5 4 1 3 1 3 3 2 3 4 3 6 3 5 4 5 3 3 2 4 5 3 4 3 4 5 3 1 2 5 2 4 3 2 2 2 3 4 4 3 3 3 2 2 4 2 3 4 5 2 4 1 4 2 5 2 3 6 3 4 5 3 4 2 2 2 5 2 4 3 3 3 4 4 3 2 3 4 3 2 4 3 4 5