제출 #489312

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
489312	2021-11-22 08:51:58	SSRS	회문 (APIO14_palindrome)	C++14	100 / 100	924 ms	102472 KiB

palindrome

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#include <bits/stdc++.h>
using namespace std;
const int INF = 1000000;
vector<int> suffix_array(string S){
  S.push_back(0);
  int N = S.size();
  vector<int> cnt(128, 0);
  for (int i = 0; i < N; i++){
    cnt[S[i]]++;
  }
  for (int i = 0; i < 127; i++){
    cnt[i + 1] += cnt[i];
  }
  vector<int> SA(N);
  for (int i = 0; i < N; i++){
    cnt[S[i]]--;
    SA[cnt[S[i]]] = i;
  }
  vector<int> rank(N);
  rank[SA[0]] = 0;
  for (int i = 0; i < N - 1; i++){
    rank[SA[i + 1]] = rank[SA[i]];
    if (S[SA[i]] != S[SA[i + 1]]){
      rank[SA[i + 1]]++;
    }
  }
  int L = 1;
  while (L < N){
    vector<int> SA2(N);
    for (int i = 0; i < N; i++){
 
 
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