int swap(int *a,int *b) { *a=*a+*b;*b=*a-*b;*a=*a-*b;

int swap(int *a,int *b)

{

*a=*a+*b;*b=*a-*b;*a=*a-*b;

}

main()

{

int x=10,y=20;

swap(&x,&y);

printf("x= %d y = %d\n",x,y);

}

Question Posted / susie

1 Answers
9158 Views
I also Faced
E-Mail Answers

int swap(int *a,int *b) { *a=*a+*b;*b=*a-*b;*a=*a-*b; } main() ..

Answer / susie

Answer :

x = 20 y = 10

Explanation

This is one way of swapping two values. Simple checking will
help understand this.

Is This Answer Correct ?

4 Yes

1 No

Post New Answer

More C Code Interview Questions

main() { int c = 5; printf("%d", main||c); } a. 1 b. 5 c. 0 d. none of the above

2 Answers HCL,

main() { int *j; { int i=10; j=&i; } printf("%d",*j); }

9 Answers HCL, Wipro,

To Write a C program to remove the repeated characters in the entered expression or in entered characters(i.e) removing duplicates. String contains only lowercase characters ['a'-'z']

0 Answers

void main() { static int i; while(i<=10) (i>2)?i++:i--; printf(“%d”, i); }

2 Answers

WAP to display 1,2,3,4,5........N

2 Answers

How to return multiple values from a function?

7 Answers

Write a function to find the depth of a binary tree.

13 Answers Adobe, Amazon, EFI, Imagination Technologies,

main() { char *p; p="Hello"; printf("%c\n",*&*p); }

1 Answers

void main() { printf(“sizeof (void *) = %d \n“, sizeof( void *)); printf(“sizeof (int *) = %d \n”, sizeof(int *)); printf(“sizeof (double *) = %d \n”, sizeof(double *)); printf(“sizeof(struct unknown *) = %d \n”, sizeof(struct unknown *)); }

1 Answers

void main() { int c; c=printf("Hello world"); printf("\n%d",c); }

2 Answers

find A^B using Recursive function

2 Answers

main() { unsigned int i=10; while(i-->=0) printf("%u ",i); }

2 Answers HP,

For more C Code Interview Questions Click Here