#include<stdio.h> void swap(char *p,char *s){*p=*p+*s-(*s=*p);} int

Write a program to swap 2 chars without using a third
varable?
char *s = "A";
char *p = "B";

Question Posted / koushik sarkar

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Answer Posted / koushik sarkar

#include<stdio.h>
void swap(char *p,char *s){*p=*p+*s-(*s=*p);}
int main()
{
char a,b;
a='A';b='B';
printf("a=%c,b=%c",a,b);
swap(&a,&b);
printf("a=%c,b=%c",a,b);
return 0;
}

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4 Yes

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