Submission #491263

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
491263	2021-12-01 08:20:11	AdamGS	Vim (BOI13_vim)	C++14	48.06 / 100	315 ms	19364 KiB

vim

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#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
#define rep(a, b) for(int a = 0; a < (b); ++a)
#define st first
#define nd second
#define pb push_back
#define all(a) a.begin(), a.end()
const int LIM=7e4+7, INF=1e9+7;
vector<pair<int,int>>V[LIM];
int nxt[LIM][10], odl[LIM][10], odl2[LIM], kiedy[10];
int main() {
  ios_base::sync_with_stdio(0); cin.tie(0);
  int n, ans=INF, x=0;
  string s;
  cin >> n >> s;
  rep(i, n) {
    if(s[i]=='e') {
      s[i]='a';
      x=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];
      odl[i][j]=INF;
      if(j && kiedy[j]<INF) V[kiedy[j]].pb({i, 2});
    }
 
 
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• Subtask 1: 43.05555555555556 / 50
• Subtask 2: 5 / 10
• Subtask 3: 0 / 40