제출 #291800

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
291800	2020-09-05 19:23:58	penguinhacker	Trener (COCI20_trener)	C++17	110 / 110	130 ms	7684 KiB

trener

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#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define ar array
const int MOD=1e9+7, M[2]={(int)1e9+9, (int)1e9+7}, P[2]={37, 41};
ar<int, 2> getHash(string s) {
  ar<int, 2> res;
  for (int i=0; i<2; ++i) {
    ll pp=1, hsh=0;
    for (char c : s) {
      hsh=(hsh+(c-'a'+1)*pp)%M[i];
      pp=pp*P[i]%MOD;
    }
    res[i]=hsh;
  }
  return res;
}
int n, k;
string name[50][1500];
map<ar<int, 2>, int> dp, last;
int main() {
  ios::sync_with_stdio(0);
  cin.tie(0);
  cin >> n >> k;
  for (int i=0; i<n; ++i) for (int j=0; j<k; ++j) cin >> name[i][j];
 
 
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• Subtask 1: 22 / 22
• Subtask 2: 33 / 33
• Subtask 3: 55 / 55