C Programming - Expressions - Discussion

Discussion Forum : Expressions - Find Output of Program (Q.No. 12)
12.
What will be the output of the program?
#include<stdio.h>
int main()
{
    int i=2;
    printf("%d, %d\n", ++i, ++i);
    return 0;
}
3, 4
4, 3
4, 4
Output may vary from compiler to compiler
Answer: Option
Explanation:

The order of evaluation of arguments passed to a function call is unspecified.

Anyhow, we consider ++i, ++i are Right-to-Left associativity. The output of the program is 4, 3.

In TurboC, the output will be 4, 3.

In GCC, the output will be 4, 4.

Discussion:
43 comments Page 5 of 5.

Neethu said:   1 decade ago
#include<stdio.h>
int main()
{
int a=35;
printf("%d %d %d %d %d ",a++,a++,++a,a++,++a);
return 0;
}
OUTPUT gcc: 39 38 40 36 40.

Suresh said:   1 decade ago
Hey @Neethu can you please elaborate this prog at printf function.

Gaurav said:   1 decade ago
The output varies from compiler to compiler.


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