Envío 2028

Código

#include <bits/stdc++.h>

using namespace std;

int main() {
    string s;
    cin >> s;
    int left = 0;
    int right = s.size();
    int c = 0;
    for (int i = 1; i < right; i++) {
        if (s[i] == s[left]){
            int current = 1;
            for (int j = i + 1; j < right; j++) {
                if (s[j] == s[j - i]) {
                    current++;
                } else {
                    current = 0;
                    break;
                }
            }
            c = max(c, current);
        }
    }
    cout << c << endl;

}