Submission #7531734

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Source Code Expand

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

int main() {
    ll n;
    std::cin >> n;
    string s;
    std::cin >> s;
    ll ans = 0;
    for (int i = 1; i < n; i++) {
        ll now = 0;
        for (int j = i; j < n; j++) {
            if(s[ j-i ] == s[ j ]){
                now++;
                ans = max(ans,min((ll)i,now));
            }else{
                now = 0;
            }
        }
    }
    std::cout << ans << std::endl;
}

Submission Info

Judge Result