What will be the value of i and j after execution of following program? #includelt;stdio.h> void main() int i, j; for(i=0,j=0;i

comma operator is executed from left to right so until jlt;20 for loop statement is true, so both i and j are incremented. So, i = 20 and j = 20.

What will be the value of i and j after execution...

This question belongs to C Program Control Structures

Control Structures

What will be the value of i and j after execution of following program?

#include<stdio.h>
void main()
{
	int i, j;
	for(i=0,j=0;i<10,j<20;i++,j++){
		printf("i=%d %t j=%d", i, j);
       }
}

A) 10 10 B) 10 20 C) 20 20 D) Run time error

Answer & Solution

Correct Answer: Option C

comma operator is executed from left to right so until j<20 for loop statement is true, so both i and j are incremented.
So, i = 20 and j = 20.

Question posted by Examveda

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7 Comments

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Test Mail 4 years ago

i=19 j=19

Sudheer Sudheer 6 years ago

When we use The Comma Operator compiler will choose the right most value....(Associativity is Left to Right)....So though when i=10 the condition in the for loop i

Sudheer Sudheer 6 years ago

when i=20 and j=20 the condition becomes file... when i run this snippet in my editor , it gave me i=19 and j=19 ...So the answer D is incorrect in my opinion.

Shiva Gupta 6 years ago

What would be value of j after the following is executed? k=17; j=6; if (k < 10) j=8; j=j+1; j=j+2;

Sanchita Akole 8 years ago

Please Explain comma operator concept

Rohit More 8 years ago

Comma operator executed left to right is correct.

Abhijeet Chimankar 10 years ago

comma operator is executed from left to right so until j

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What will be the value of i and j after execution...

What will be the value of i and j after execution of following program? #include<stdio.h> void main() { int i, j; for(i=0,j=0;i<10,j<20;i++,j++){ printf("i=%d %t j=%d", i, j); } }

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What will be the value of i and j after execution of following program?

`#include<stdio.h> void main() { int i, j; for(i=0,j=0;i<10,j<20;i++,j++){ printf("i=%d %t j=%d", i, j); } }`