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Algorithms Quiz | SP2 Contest 1 | Question 2

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  • Last Updated : 28 Aug, 2018
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Predict the output of the below C program:

#include <stdio.h>
int main() 
    int i = 2, j = -2;
    if((printf("%d", j)) < (printf("%d", i)))
       printf("%d", i);
       printf("%d", j);
    return 0;

(A) 2-22
(B) -22-2
(C) 222
(D) Compilation Error

Answer: (B)

Explanation: We know that printf() returns the number of character it prints. Hence printf(ā€œ%dā€,j) will return -2 and newline i.e. 3 characters, and printf(ā€œ%dā€, i) wil return 2 and newline i.e. 2. Thus if statement will look like (3 > 2) which is false. So the else block is executed followed by the execution of printf() statements within the if condition.

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