c aptitude

1) What will be the output of following program ?

#include <stdio.h>

void main()

{

char cnt=0;

for(;cnt++;printf("%d",cnt)) ;

printf("%d",cnt);

}

• a)0 1 2 ... infinite times

• b)0 1 2 ... 127

• c)0

• d)1

2)What will be the output of following program ?

#include < stdio.h >

void main()

{ unsigned char var=0;

for(var=0;var<=255;var++)

{

printf("%d ",var);

}

}

• 0 1 2 ... infinite times

• 0 1 2 ... 255

3) What will be the output of following program ?

#include < stdio.h >

int main()

{

int tally=0;

for(;;)

{

if(tally==10)

break;

printf("%d ",++tally);

}

return 0;

}

• 1 to 10

• 0 to 10

• 1 to 11

• 0 to 11

4)What will be the output of following program?

#include <stdio.h>

#define TRUE 1

int main()

{

int loop=10;

while(printf("Hello ") && loop--);

}

• a)Hello

• b)Hello Hello Hello Hello ... (Infinite times)

• c)Hello Hello Hello Hello Hello Hello Hello Hello Hello Hello

• d)Hello Hello Hello Hello Hello Hello Hello Hello Hello Hello Hello

5)What will be the output of following program ?

#include<stdio.h>

int x = -1;

int main()

{

while(x++ == 1)

printf("loop");

return 0;

}

• a)Prints Nothing

• b) loop

• c) loop loop

• d) loop loop loop

6) What will be the output of the C program?

#include<stdio.h>

int main(){

while(printf("%d", 5) < 4)

printf("Loop ");

return 0; }

• 5Loop once

• 5Loop 4 times

• 5Loop infinite times

• none of the above

7)What will be the output of the C program?

#include<stdio.h>

int main() {

int i = 1, j = 1;

for(--i && j++ ; i<10; i+=2)

{ printf("loop ");

}

return 0;

• a)Compilation error

• b)Program never ends

• c) loop loop loop loop loop

• d) None of the above

8) What will be the output of the C program?

#include<stdio.h>

int main(){

for(5;2;2)

printf("Hello");

return 0; }

• a)Compilation error

• b)Program never ends

• c) Hello

• d) Hello Hello

FIND THE OUTPUT FOR THE FOLLOWING SNIPPETS:

9) int main()

{

char c=255;

c =c+10;

printf(“%d”, c);

return();

}

FIND THE OUTPUT FOR THE FOLLOWING SNIPPETS:

int main()

{

int var = 052;

printf(“%d”,var);

return 0;

}