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C program for swapping of two numbers


#include
int main(){
int a,b,temp;
printf("Enter any two integers: ");
scanf("%d%d",&a,&b);
printf("Before swapping: a = %d, b=%d",a,b);
temp = a;
a = b;
b = temp;
printf("\nAfter swapping: a = %d, b=%d",a,b);
return 0;
}

C program for swapping of two numbers using pointers

#include
int main(){
int a,b;
int *ptra,*ptrb;
int *temp;
printf("Enter any two integers: ");
scanf("%d%d",&a,&b);
printf("Before swapping: a = %d, b=%d",a,b);
ptra = &a;
ptrb = &b;
temp = ptra;
*ptra = *ptrb;
*ptrb = *temp;
printf("\nAfter swapping: a = %d, b=%d",a,b);
return 0;
}

C program for Swapping using function

#include
void swap(int *,int *);
int main(){
int a,b;
printf("Enter any two integers: ");
scanf("%d%d",&a,&b);
printf("Before swapping: a = %d, b=%d",a,b);
swap(&a,&b);
printf("\nAfter swapping: a = %d, b=%d",a,b);
return 0;
}
void swap(int *a,int *b){
int *temp;
temp = a;
*a=*b;
*b=*temp;
}










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