제출 #725051

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
725051	2023-04-16 14:43:55	Rafi22	Necklace (Subtask 4) (BOI19_necklace4)	C++14	15 / 15	540 ms	468 KiB

necklace

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#include <bits/stdc++.h>
using namespace std;
#define endl '\n'
#define st first
#define nd second
#define pb push_back
#define sz(x) (int)(x).size()
#define all(x) (x).begin(), (x).end()
#define ll long long
ll mod=1000000007;
int inf=1000000007;
ll infl=1000000000000000007;
const int N=3007;
int n,m;
vector<int> prefix_function(string s) {
    int n = (int)s.length();
    vector<int> pi(n);
    for (int i = 1; i < n; i++) {
        int j = pi[i-1];
        while (j > 0 && s[i] != s[j])
            j = pi[j-1];
        if (s[i] == s[j])
            j++;
        pi[i] = j;
    }
    return pi;
 
 
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• Subtask 1: 15 / 15