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  1. Prepare
  2. C
  3. Introduction
  4. Pointers in C
  5. Discussions

Pointers in C

  • Robin_Bijo
     + 0 comments
    #include <stdio.h>

void update(int *a,int *b) {
    *a = *a+*b;
    *b = abs(*a-*b-*b);
    //The extra *b is because *a value is changed above by adding *b
    //So to equalize the effect we subtract *b
}

int main() {
    int a, b;
    int *pa = &a, *pb = &b;
    
    scanf("%d %d", &a, &b);
    update(pa, pb);
    printf("%d\n%d", a, b);

    return 0;
}