How to reverse a string using a recursive function, without
swapping or using an extra memory?
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Answer Posted / shivaraj
main()
{
char str[10];
cin>>str;
int len=strlen(str);
reverse(len);
cout<<"Reversed string is: "<<str;
}
void reverse(int len)
{
static int i=0;
str[i]=str[len-1]; //put the char in last pos to first pos
for(j=len-1;j>i;j--)
str[j]=str[j-1]; //shift to right
i++;
if(i==len)
return;
reverse(len);
}
| Is This Answer Correct ? | 5 Yes | 15 No |
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