Submission #1339495

#	Time	Username	Problem	Language	Result	Execution time	Memory
1339495		vjudge1	Parametriziran (COCI19_parametriziran)	C++20	110 / 110	241 ms	2980 KiB

Main

#include <bits/stdc++.h>

using namespace std;

const int N = 50005, M = 6;
bitset<N> bts[M][27], full, bt;
string sus[N];

int main() {
   int n, m;
   cin >> n >> m;
   for (int i = 0; i < n; i ++) {
      string s;
      cin >> s;
      for (int j = 0; j < m; j ++) {
         if (s[j] == '?') {
            bts[j][26][i] = 1;
         } else {
            bts[j][s[j] - 'a'][i] = 1;
         }
      }
      full[i] = 1;
      sus[i] = s;
   }
   long long ans = 0;
   for (int i = 0; i < n; i ++) {
      bt = full;
      for (int j = 0; j < m; j ++) {
         if (sus[i][j] != '?') {
            bt &= bts[j][sus[i][j] - 'a'] | bts[j][26];
         }
      }
      ans += bt.count();
   }
   cout << (ans - n) / 2 << '\n';
}

• Subtask 0: 0 / 0
• Subtask 1: 33 / 33
• Subtask 2: 33 / 33
• Subtask 3: 44 / 44