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How to reverse a string using a recursive function, without
swapping or using an extra memory?
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Answer Posted / right
char* reverseStringR(char* string){
if(string[0] && !string[1])
return string;
char first = string[0];
reverseStringR(string+1);
size_t length_rest = strlen(string+1);
memmove(string, string+1, length_rest);
string[length_rest] = first;
return string;
}
| Is This Answer Correct ? | 3 Yes | 4 No |
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