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Submission #111918

# Submission time Handle Problem Language Result Execution time Memory
111918 2019-05-16T19:25:50 Z fredbr Parametriziran (COCI19_parametriziran) C++17
33 / 110
 3000 ms 1840 KB 
#include <bits/stdc++.h>

#pragma GCC optimize("O3", "unroll-loops")
#pragma GCC target("popcnt")

using namespace std;

int k;

struct Word {
    unsigned v[6];

    Word() = default;

    Word& operator=(string const& s) {
        for (int i = 0; i < k; i++) {
            if (s[i] == '?') v[i] = 0;
            else v[i] = 1u<<(s[i]-'a');
        }
        return *this;
    }

    inline bool ok(Word const& rhs) const {
        for (int i = 0; i < k; i++) {
            if (__builtin_popcount(v[i]^rhs.v[i]) == 2)
                return false;
        }
        return true;
    }
};

int const maxn = 50505;

Word v[maxn];

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

    int n;
    cin >> n >> k;

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

        v[i] = s;
    }

    int ans = 0;
    for (int i = 0; i < n; i++) {
        for (int j = i+1; j < n; j++)
            ans += v[i].ok(v[j]);
    }

    cout << ans << "\n";
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1923 ms 1784 KB Output is correct

Subtask #2
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1538 ms 1156 KB Output is correct
2 Correct 2731 ms 1272 KB Output is correct

Subtask #3
0 / 11.0

# Verdict Execution time Memory Grader output
1 Execution timed out 3020 ms 1280 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1584 ms 1188 KB Output is correct
2 Execution timed out 3027 ms 1152 KB Time limit exceeded

Subtask #5
0 / 11.0

# Verdict Execution time Memory Grader output
1 Execution timed out 3027 ms 1664 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #6
0 / 11.0

# Verdict Execution time Memory Grader output
1 Execution timed out 3030 ms 1664 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #7
0 / 11.0

# Verdict Execution time Memory Grader output
1 Execution timed out 3009 ms 1408 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #8
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 2412 ms 1664 KB Output is correct
2 Execution timed out 3023 ms 1664 KB Time limit exceeded

Subtask #9
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1885 ms 1408 KB Output is correct
2 Correct 2874 ms 1372 KB Output is correct

Subtask #10
0 / 11.0

# Verdict Execution time Memory Grader output
1 Execution timed out 3080 ms 1840 KB Time limit exceeded
2 Halted 0 ms 0 KB -