Submission #111925

# Submission time Handle Problem Language Result Execution time Memory
111925 2019-05-16T20:18:03 Z fredbr Parametriziran (COCI19_parametriziran) C++17
110 / 110
168 ms 2972 KB
#include <bits/stdc++.h>

#pragma GCC target("popcnt")

using namespace std;

int const maxn = 50505;
int const maxm = 7;

bitset<maxn> cnt[maxm][30];
bitset<maxn> tmp, at;

int main() {
    ios::sync_with_stdio(false), cin.tie(nullptr);

    int n, m;
    cin >> n >> m;

    vector<string> v(n);

    for (int i = 0; i < n; i++) {
        auto& s = v[i];
        cin >> s;

        for (int j = 0; j < m; j++) {
            if (s[j] == '?')
                for (int k = 0; k < 26; k++)
                    cnt[j][k][i] = true;
            else
                cnt[j][s[j] - 'a'][i] = true;
        }
    }

    int64_t ans = 0;
    
    for (int i = 0; i < n; i++) at[i] = true;

    for (int j = 0; j < n; j++) {
        auto const& s = v[j];
        at[j] = false;
        tmp = at;

        for (int i = 0; i < m; i++) {
            char c = s[i];

            if (c == '?') continue;
            tmp &= cnt[i][c-'a'];
        }

        ans += tmp.count();
    }

    cout << ans << "\n";
}
# Verdict Execution time Memory Grader output
1 Correct 57 ms 2176 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 47 ms 1664 KB Output is correct
2 Correct 42 ms 1664 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 62 ms 1996 KB Output is correct
2 Correct 92 ms 2304 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 66 ms 1792 KB Output is correct
2 Correct 46 ms 1792 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 84 ms 2432 KB Output is correct
2 Correct 44 ms 1664 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 121 ms 2560 KB Output is correct
2 Correct 64 ms 2432 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 110 ms 2304 KB Output is correct
2 Correct 49 ms 2048 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 168 ms 2560 KB Output is correct
2 Correct 101 ms 2688 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 123 ms 2432 KB Output is correct
2 Correct 77 ms 2304 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 165 ms 2972 KB Output is correct
2 Correct 119 ms 2944 KB Output is correct