Answer / laxmi bose

#include<stdio.h>
main()
{
int a[0],a[1],a[2];
scanf("%d%d",&a[0],&a[1]);
a[2]=a[0];
a[0]=a[1];
a[1]=a[2];
printf("%d,%d",a[0],a[1]);
}

Answer / sankar kiran

#include<stdio.h>
#include<conio.h>
void main()
{
int a,b;
printf("Enter the number:");
scanf("%d%d",&a,&b)
a=a+b;
b=a-b;
a=a-b;
printf("%d%d",a,b);
getch();

}

Answer / jaspreet singh

void main()
{
int a[2]={20,10};
a[0]=a[0]^a[1];
a[1]=a[0]^a[1];
a[0]=a[0]^a[1];
printf("a=%d,b=%d",a[0],a[1])
getch();
}

Answer / karthik

void main()
{
int a=10,b=20;
a^=b^=a^=b;
printf("a=%d,b=%d",a,b)
getch();
}

Answer / baidyanath bisoyi

void main()
{
int a,b;
printf("enter the two numbers\n");
scanf("%d%d",&a,&b);
printf("a=%d\n b=%d\n",a,b);
a=a+b-(b=a);
printf("a=%d\n b=%d\n",a,b);
getch();
}

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