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How to write a program for swapping two strings without
using 3rd variable and without using string functions.
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Answer Posted / gaurav rustagi
#include <iostream>
#include <string.h>
using namespace std;
void swap ( char ** , char ** ) ;
int main ()
{
char * buyer= "US Dollars" ;
char * seller = "IN Ruppees" ;
cout << "Before swap, buyer has " << buyer;
cout << " and seller has " << seller << endl;
swap (buyer,seller);
cout << " After swap, buyer has " << buyer;
cout << " and seller has " << seller << endl;
return 0;
}
void swap ( char ** L , char ** R )
{
char ** temp = R;
R = L ;
L = temp ;
}
| Is This Answer Correct ? | 7 Yes | 13 No |
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