Submission #106143

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
106143	2019-04-16 18:43:52	ihdignite	Vim (BOI13_vim)	C++14	50 / 100	2073 ms	203136 KiB

vim

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#include <bits/stdc++.h>
using namespace std;
#define ar array
const int mxN=5e3;
int n, ans, d[mxN][mxN], nxt[mxN+1][10];
string s;
priority_queue<ar<int, 3>, vector<ar<int, 3>>, greater<ar<int, 3>>> pq;
int main() {
  ios::sync_with_stdio(0);
  cin.tie(0);
  cin >> n >> s;
  fill(nxt[n], nxt[n]+10, n);
  for(int i=n-1; ~i; --i) {
    memcpy(nxt[i], nxt[i+1], 40);
    nxt[i][s[i]-'a']=i;
  }
  int e=n-1;
  while(e&&s[e-1]^'e')
    --e;
  memset(d, 0x3f, sizeof(d));
  d[0][0]=0;
  pq.push({0, 0, 0});
  while(pq.size()) {
    ar<int, 3> u=pq.top();
    pq.pop();
    if(u[0]>d[u[1]][u[2]])
 
 
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• Subtask 1: 50 / 50
• Subtask 2: 0 / 10
• Subtask 3: 0 / 40