C Programming · Question 10 · Medium

What will be the output of the following C program?

#include <stdio.h>

int main(void) {
    int a = 0, b = 5;
    if (a && ++b)
        printf("yes ");
    printf("%d", b);
    return 0;
}
  1. 6
  2. yes 5
  3. yes 6
  4. 5
Answer and explanation

Answer: D. 5

Explanation: a is 0, so a && ++b short-circuits: ++b is never evaluated and the condition is false. Nothing is printed by the if, and b stays 5.

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