Reverse a String

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#include <iostream> #include<string.h> #include<stdio.h> using namespace std; void rev(string str) { int n = str.length(); // Swap character starting from two // corners for (int i = 0; i < n / 2; i++) swap(str[i], str[n - i - 1]); cout<<str; } int main() { string str; getline(cin,str); rev(str); return 0; }
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