Answer Posted / vijay r15

using many ways we can
perform
#include<stdio.H>
void main()
{
int a=10,b=20;
b=a+b-(a=b);
//or use a^=b^=a^=b;
//or use a=a+b;b=a-
b;a=a-b;
//or use a^=b; b^=a;
a^=b;
printf("%d%d",a,b);
}

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