Submission #491275

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
491275	2021-12-01 09:40:46	AdamGS	Vim (BOI13_vim)	C++14	30.56 / 100	416 ms	177452 KiB

vim

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#include<bits/stdc++.h>
using namespace std;
#define rep(a, b) for(int a = 0; a < (b); ++a)
#define pb push_back
#define st first
#define nd second
const int LIM=7e4+7, INF=1e9+7;
vector<pair<int,int>>S[LIM];
vector<pair<pair<int,int>,int>>V[LIM][10];
int kiedy[10], nxt[LIM][10], ostatni[LIM], odl[LIM][10];
int main() {
  ios_base::sync_with_stdio(0); cin.tie(0);
  int n, lst=-1;
  string s;
  cin >> n >> s;
  rep(i, n) {
    if(s[i]=='e') {
      s[i]='a';
      lst=i;
    } else if(s[i]=='a') s[i]='e';
  }
  rep(i, 10) kiedy[i]=INF;
  for(int i=n-1; i>=0; --i) {
    rep(j, 10) nxt[i][j]=kiedy[j];
    for(int j=1; j<10; ++j) if(kiedy[j]<INF) {
      S[kiedy[j]].pb({j, 2});
    }
    if(i<n-1) S[i].pb({i+1, 1});
    kiedy[s[i]-'a']=i;
    ostatni[i]=INF;
 
 
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• Subtask 1: 30.555555555555557 / 50
• Subtask 2: 0 / 10
• Subtask 3: 0 / 40