Latest C Aptitude Question SOLUTION: Q. What is the output of the following program? void main(){ int a=1; while(a++ <= 1) while(a++ <= 2); printf("%d",a); }

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(#M40031339) C Programming question Problem solving Keep an EYE

Q. What is the output of the following program?

void main(){
int a=1;
while(a++ <= 1)
while(a++ <= 2);
printf("%d",a);
}

Asked In C Dinesh thatti (10 years ago)

Unsolved Read Solution (23)

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Read Solution (23) :

Swarnali Roy  (10 years ago)

ans=5
the program works as
while(a++

Is this solution Helpfull? Yes (10) | No (5)  

chinna  (10 years ago)

ans:5 while(a++

Is this solution Helpfull? Yes (4) | No (6)  

Krishna Chaitanya  (10 years ago)

Syntax error ending brace for while and main is not found

Is this solution Helpfull? Yes (3) | No (9)  

Krishna Chaitanya  (10 years ago)

ans 3 a++ means the value of a will be displayed and later incremented,after 1st while loop the value of a becomes 2 later after second while loop it increments and prints 3

Is this solution Helpfull? Yes (3) | No (8)  

DHIRENDRA   (10 years ago)

5
while(a++

Is this solution Helpfull? Yes (2) | No (1)  

julee verma  (10 years ago)

3,value of a will increment 2 times

Is this solution Helpfull? Yes (1) | No (4)  

NISHANT AGARWAL  (10 years ago)

Compile term error....semicolon(;) after while will give compile term error

Is this solution Helpfull? Yes (1) | No (3)  

Dhananjay Rajmane  (9 years ago)

Solution:5

Given programme can be write as
void main()
{
int a=1;
while(a++

Is this solution Helpfull? Yes (1) | No (1)  

Kripanshu Agrawal  (10 years ago)

answer is 4 because first while loop contains another while loop.

first, outer loop increments a by 1 after checking the condition
now condition is true so inner loop checks the condition and increments a by 1 here a becomes 3
now in outer loop condition become false and a incremented by 1 so finally a is 4

Is this solution Helpfull? Yes | No (1)  

madhavi  (10 years ago)

since while a++ is post addition a=1 till it reaches printf statement so a=1.

Is this solution Helpfull? Yes | No (2)  

SURAMPUDI VENKATA NAGENDRA  (10 years ago)

ans:3
a=1then first while loop (a++

Is this solution Helpfull? Yes | No (1)  

DEEPANSHI SRIVASTAVA  (10 years ago)

first while execute 1 time
secand while execute 2 times
ans a=3

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Perumalsamy  (10 years ago)

Ans is: 5

Is this solution Helpfull? Yes | No (1)  

prateek pandey  (10 years ago)

Q. What is the output of the following program?

void main(){
int a=1;
while(a++

Is this solution Helpfull? Yes | No   

Azhar Sajjad  (10 years ago)

ans is 5
first while become inner loop & second while become outer loop.i'e according to nested loop program will work.

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Dhananjay Rajmane  (9 years ago)

output:5
Explaination:

Same code we write as:
void main()
{

}

Is this solution Helpfull? Yes | No (4)  

Mani kandan  (9 years ago)

ans is 5
put int datatype instead of void

int main(){
int a=1;
while(a++

Is this solution Helpfull? Yes | No   

adarshankit  (9 years ago)

3
I have done it .

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Kajal Glotra  (7 years ago)

3 , a++ becomes 2 after comparison ,, again with 2 ,it will become 3 .
hence 3 get printed

Is this solution Helpfull? Yes | No (1)  

bindu  (7 years ago)

pls,any one give clear explanation.

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Pavan  (6 years ago)

When first a++ is executed in first while...Post incremented to 2 and in next while loop checks it and post increments and value is 3 and semicolon (separate r) is executed and once again while is executed so now condition fails but 3 became for becoz of post increment again

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Ashwini Purbai  (5 years ago)

ans: 5

first while loop condition------while(1

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nakkasireesha  (5 years ago)

the answer is 3

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