Algorithms Quiz | SP2 Contest 1 | Question 1

Predict the output of below C program:

#include<stdio.h>
int main()
{
    int a = 5, b = 10%9, i;
    for(i=1; i<10; i++)
    if(a != b);
        printf("a = %d b = %d\n", a, b);

    return 0;
}

(A) 5 1

(B) Prints “a = 5 b = 1” ten times.
(C) a = 5 b = 1

(D) The program will not produce any output

Answer: (C)

Explanation: The printf statement is outside the if block because of the semicolon operator after the if statement and thus it is also outside the for loop block. So, it is executed only once.

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