GATE Computer Science (CS) 2015 Shift 1 Solved Paper

Question : 34 of 65

Marks: +1, -0

The output of the following C program is ________


#include<stdio.h>
void f1 (int a, int b){
int c;
c = a; a = b; b = c;
}
void f2 (int *a, int *b){
int c;
c = *a; *a = *b; *b = c;
}
int main(){
int a = 4, b = 5, c = 6;
f1(a, b);
f2(&b, &c);
printf("%d", c - a - b);
}

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