Gate2017 cs Q47

47The output of executing the following C program is ____.
# include
int total(int v)
{
static int count = 0;
while (v) {
count += v & 1;
v >>= 1;
}
return count;
}
void main()
{
static int x = 0;
int i = 5;
for (; i> 0; i--) {
x = x + total(i);
}
printf (“%d\n”, x) ;
}

Option : B
Explanation : Count in the function total is static.
i Count Table i
5 0 2
4 2 3(2+1)
3 3 5(3+2)
2 5 6(5+1)
1 6 7(6+1)
= 23

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