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C | Operators | Question 9

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Output of following program?

#include <stdio.h>
int f1() { printf ("Geeks"); return 1;}
int f2() { printf ("Quiz"); return 1;}
int main()
  int p = f1() + f2();
  return 0;

(A) GeeksQuiz
(B) QuizGeeks
(C) Compiler Dependent
(D) Compiler Error

Answer: (C)

Explanation: The operator ‘+’ doesn’t have a standard defined order of evaluation for its operands. Either f1() or f2() may be executed first. So a compiler may choose to output either “GeeksQuiz” or “QuizGeeks”.

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Last Updated : 04 Feb, 2013
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