Submission #96579

#	Time	Username	Problem	Language	Result	Execution time	Memory
96579		Milki	Parametriziran (COCI19_parametriziran)	C++14	110 / 110	267 ms	3036 KiB

Main

#include<bits/stdc++.h>
using namespace std;

#define FOR(i, a, b) for(int i = a; i < b; ++i)
#define REP(i, n) FOR(i, 0, n)
#define _ << " " <<
#define sz(x) ((int) x.size())
#define pb(x) push_back(x)
#define TRACE(x) cerr << #x << " = " << x << endl

typedef long long ll;
typedef pair<int, int> point;

const int MAXN = 5e4 + 5;

int n, m;
string s[MAXN];
bitset<MAXN> bit[8][28];
bitset<MAXN> pun;

void ukloni(int x){
  pun.set(x, 0);
  REP(j, m){
    if(s[x][j] == '?'){
      REP(k, 26)
        bit[j][k].set(x, 0);
    }
    else
      bit[j][ s[x][j] - 'a' ].set(x, 0);
  }
}

int main(){
  ios_base::sync_with_stdio(false); cin.tie(0);

  cin >> n >> m;
  REP(i, n)
    cin >> s[i];
  REP(i, n)
    pun.set(i);

  REP(i, n)
    REP(j, m){
      if(s[i][j] == '?'){
        REP(k, 26)
          bit[j][k].set(i);
      }
      else
        bit[j][ s[i][j] - 'a' ].set(i);
    }

  ll sol = 0;
  REP(i, n){
    bitset<MAXN> bits; bits.reset();

    ukloni(i);

    if(s[i][0] == '?')
      bits |= pun;
    else
      bits = bit[0][ s[i][0] - 'a' ];

    FOR(j, 1, m){
      if(s[i][j] == '?') continue;
      bits &= bit[j][ s[i][j] - 'a' ];
    }
    sol += bits.count();

  }
  cout << sol;
}

• Subtask 1: 11 / 11
• Subtask 2: 11 / 11
• Subtask 3: 11 / 11
• Subtask 4: 11 / 11
• Subtask 5: 11 / 11
• Subtask 6: 11 / 11
• Subtask 7: 11 / 11
• Subtask 8: 11 / 11
• Subtask 9: 11 / 11
• Subtask 10: 11 / 11