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GATE | GATE CS 2018 | Question 47

Consider the following C code. Assume that unsigned long int type length is 64 bits.
C
unsigned long int fun(unsigned long int n) {
        unsigned long int i, j = 0, sum = 0;
        for( i = n; i > 1; i = i/2) j++;
        for( ; j > 1; j = j/2) sum++;
        return sum;
}
The value returned when we call fun with the input 240 is

(A)

4

(B)

5

(C)

6

(D)

40

Answer

Please comment below if you find anything wrong in the above post
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