GATE | GATE-CS-2016 (Set 1) | Question 25
Consider the following C program.
C
#include<stdio.h>
void mystery( int *ptra, int *ptrb)
{
int *temp;
temp = ptrb;
ptrb = ptra;
ptra = temp;
}
int main()
{
int a=2016, b=0, c=4, d=42;
mystery(&a, &b);
if (a < c)
mystery(&c, &a);
mystery(&a, &d);
printf (\ "%d" , a);
}
|
The output of the program _____________ Note : This question was asked as Numerical Answer Type.
(A)
2016
(B)
0
(C)
4
(D)
8
Answer: (A)
Explanation:
Note that a and d are not swapped as the function mystery() doesn\’t change values, but pointers which are local to the function.
Quiz of this Question
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Last Updated :
12 Aug, 2021
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