Submission #310461

#	Time	Username	Problem	Language	Result	Execution time	Memory
310461		phathnv	Parametriziran (COCI19_parametriziran)	C++11	110 / 110	276 ms	1400 KiB

Main

#include <bits/stdc++.h>

#define mp make_pair
#define X first
#define Y second
#define taskname "Parametriziran"

using namespace std;

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

const int N = 50000;
const int M = 6;

int n, m;
bitset <N> bs[M][26], cur;

void readInput(){
    cin >> n >> m;
}

void solve(){
    ll res = 0;
    for(int i = 0; i < n; i++){
        string s;
        cin >> s;

        bitset <N> tmp = cur;
        for(int j = 0; j < m; j++){
            if (s[j] == '?')
                continue;
            tmp &= bs[j][s[j] - 'a'];
        }
        res += tmp.count();

        for(int j = 0; j < m; j++)
            if (s[j] == '?')
                for(int c = 0; c < 26; c++)
                    bs[j][c][i] = 1;
            else
                bs[j][s[j] - 'a'][i] = 1;

        cur[i] = 1;
    }

    cout << res;
}

int main(){
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    //freopen(taskname".inp", "r", stdin);
    //freopen(taskname".out", "w", stdout);
    readInput();
    solve();
    return 0;
}

• 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