Palindromi

#include<bits/stdc++.h>
using namespace std;

int main(void){
    //input
    string s;
    cin >> s;
    int len = s.length();
    //check if palindrome
    for(int i=0; i<len;i++){
        if(s[i]!=s[-1-i]){
            
        }
    }
    //make palindrome left to right
    int changes = 0;
    for(int i=0;i<(len/2);i++){
        //cout << s[i] << s[len-1-i];
        if(s[i]!=s[len-1-i]){
            changes++;}
        s[i]=s[len-1-i];
    }
    cout << changes; return 0;
    //make palindrome right to left

    //check which is shorter
}

Test 1 (public)

Verdict: ACCEPTED

Test 2 (public)

Verdict: ACCEPTED

Test 3 (public)

Verdict: ACCEPTED

Test 4 (public)

Verdict: ACCEPTED

Test 5 (public)

Verdict: ACCEPTED

Test 6 (public)

Verdict: ACCEPTED

Test 7 (public)

Verdict: ACCEPTED

Test 8 (public)

Verdict: ACCEPTED

Test 9 (public)

Verdict: ACCEPTED

Test 10 (public)

Verdict: ACCEPTED