GATE | Sudo GATE 2020 Mock III (24 January 2019) | Question 42

Consider the following C program:

#include<stdio.h>

int main()
{
          int m = 10;
          int n, n1;
          n = m++;
          n1 = ++m;
          n--;
          --n1;
          n -= n1;
          printf("%d",n);
          return 0;
} 

The output of the program is ______.
(A) 0
(B) 1
(C) -2
(D) None of these.

Answer: (C)
Explanation: Option (C) -2 is correct: https://ide.geeksforgeeks.org/FaZIspWPX0
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