Move more statements into if and else

#include <stdio.h>

int main(void)
{
  int a, b, op;

  printf("Enter 0 to add, 1 to subtract: ");
  scanf("%d", &op);

  if(op == 0) { /* add */
    printf("Enter first number: ");
    scanf("%d", &a);
    printf("Enter second number: ");
    scanf("%d", &b);
    printf("%d", a+b);
  }
  else { /* subtract */
    printf("Enter first number: ");
    scanf("%d", &a);
    printf("Enter second number: ");
    scanf("%d", &b);
    printf("%d", a-b);
  }

  return 0;
}

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Move more statements into if and else : If « Language Basics « C / ANSI-C

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