Cody

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

Solution 118972

Submitted on 26 Jul 2012 by Carsten
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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))

``` ans = 0 ```

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

``` 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 10 1 1 2 1 2 2 3 1 2 2 Columns 11 through 20 3 2 3 3 4 1 2 2 3 2 Columns 21 through 30 3 3 4 2 3 3 4 3 4 4 Columns 31 through 40 5 1 2 2 3 2 3 3 4 2 Columns 41 through 50 3 3 4 3 4 4 5 2 3 3 Columns 51 through 60 4 3 4 4 5 3 4 4 5 4 Columns 61 through 70 5 5 6 1 2 2 3 2 3 3 Columns 71 through 80 4 2 3 3 4 3 4 4 5 2 Columns 81 through 90 3 3 4 3 4 4 5 3 4 4 Columns 91 through 100 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 = 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 ```