Palindromi

#include <iostream>
#include <cmath>
#include <vector>
#include <algorithm>
#include <string>
#include <sstream>
#include <chrono>
#include <iomanip>

typedef long long ll;
using namespace std;

int main(){

    ios_base::sync_with_stdio(0);
    cin.tie(0);

    string t;

    cin >> t;

    int tulos = 0;

    for (int i = 0; i < round(t.size()/2); i++)
    {
        // cout << t[i] << " + " << t[t.size()-i-1]<< "\n";
        if(t[i] != t[t.size()-i-1]){
            tulos++;
        }
    }
    

    cout << tulos <<"\n";

}

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