String reverse with time complexity of n/2 with out using
temporary variable.
Answer Posted / atul kabra
#include<stdio.h>
void reverse(char *);
void main()
{
char str[]="Hello";
reverse(str);
printf("Reverse String is %s",str);
}
void reverse(char *p)
{
char *q=p;
while(*++q!='\0');
q--;
while(p<q)
{
*p=*p+*q;
*q=*p-*q;
*p=*p-*q;
p++;
q--;
}
}
Is This Answer Correct ? | 3 Yes | 3 No |
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