Output

Question

#include ‬<stdio.h>

int main(){
    int i = 4;
    i = printf(" %d ", ++i) + printf(" %d ", i--);
    printf(" %d ", i);
}

Comments

is the ans 8 ??

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no

Answer 1

Undefined behavior (not in GATE syllabus)
http://gatecse.in/wiki/Undefined_Value
https://en.m.wikipedia.org/wiki/Undefined_behavior

Comments

what will be the final value of i??

Answer 2

This is Undefined behavior in C language.

Here are some which are also undefined Example in C language.

Comments

printf returns no of characters printed i=3+3=6

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@Avdhesh Singh Rana right final value of i will be 6

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@Manoj Goswami how you have decided that which "printf" will evaluate first?

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I know this is compiler dependent .How you getting the result ?