Test  Status  Code Input and Output 

1  Pass 
n = 1;
y_correct = 0;
assert(isequal(ret_count(n),y_correct))
a =
'01'
y =
0

2  Pass 
n = 4;
y_correct = 1;
assert(isequal(ret_count(n),y_correct))
a =
'01'
a =
'10'
a =
'11'
a =
'100'
y =
1

3  Pass 
n = 72;
y_correct = 18;
assert(isequal(ret_count(n),y_correct))
a =
'01'
a =
'10'
a =
'11'
a =
'100'
a =
'101'
a =
'110'
a =
'111'
a =
'1000'
a =
'1001'
a =
'1010'
a =
'1011'
a =
'1100'
a =
'1101'
a =
'1110'
a =
'1111'
a =
'10000'
a =
'10001'
a =
'10010'
a =
'10011'
a =
'10100'
a =
'10101'
a =
'10110'
a =
'10111'
a =
'11000'
a =
'11001'
a =
'11010'
a =
'11011'
a =
'11100'
a =
'11101'
a =
'11110'
a =
'11111'
a =
'100000'
a =
'100001'
a =
'100010'
a =
'100011'
a =
'100100'
a =
'100101'
a =
'100110'
a =
'100111'
a =
'101000'
a =
'101001'
a =
'101010'
a =
'101011'
a =
'101100'
a =
'101101'
a =
'101110'
a =
'101111'
a =
'110000'
a =
'110001'
a =
'110010'
a =
'110011'
a =
'110100'
a =
'110101'
a =
'110110'
a =
'110111'
a =
'111000'
a =
'111001'
a =
'111010'
a =
'111011'
a =
'111100'
a =
'111101'
a =
'111110'
a =
'111111'
a =
'1000000'
a =
'1000001'
a =
'1000010'
a =
'1000011'
a =
'1000100'
a =
'1000101'
a =
'1000110'
a =
'1000111'
a =
'1001000'
y =
18

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