제출 #530838

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
530838	2022-02-26 23:22:42	new_acc	회문 (APIO14_palindrome)	C++14	100 / 100	159 ms	92364 KiB

palindrome

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#include<bits/stdc++.h>
#define fi first
#define se second
#define pitem item*
using namespace std;
typedef long long ll;
typedef vector<ll> vi;
typedef vector<ll> vl;
struct item{
  pitem fail;
  int l,il;
  pitem g[27];
};
const int N=3e5+10;
string s;
item *k1,*k2;
vector<pitem> k[N];
pitem add(int ind,pitem curr){
  while(curr!=nullptr){
    if(ind+1>=(curr->l)+2 and s[ind-(curr->l)-1]==s[ind]) break;
    curr=curr->fail;
  }
  if(curr->g[int(s[ind])-96]!=nullptr) {
    curr->g[int(s[ind])-96]->il++;
    return curr->g[int(s[ind])-96];
  }
  curr->g[int(s[ind])-96]=new item;
  curr->g[int(s[ind])-96]->il=1;
  curr->g[int(s[ind]-96)]->l=curr->l+2;
  for(int i=1;i<=26;i++) curr->g[int(s[ind])-96]->g[i]=nullptr;
 
 
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컴파일 시 표준 에러 (stderr) 메시지

palindrome.cpp: In function 'void solve()':
palindrome.cpp:54:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   54 |  for(int i=0;i<s.size();i++) curr=add(i,curr);
      |              ~^~~~~~~~~

• Subtask 1: 8 / 8
• Subtask 2: 15 / 15
• Subtask 3: 24 / 24
• Subtask 4: 26 / 26
• Subtask 5: 27 / 27