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Submission #865568

# Submission time Handle Problem Language Result Execution time Memory
865568 2023-10-24T10:59:43 Z azimanov Sequence (BOI14_sequence) C++17
0 / 100
 9 ms 4444 KB 
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

bool getbit(int mask, int bit) {
    return mask & (1 << bit);
}

const int N = 1e6 + 10;
const int K = 1e5 + 10;
int b[K];
int mask[N];

void init() {
    mask[0] = (1 << 0);
    for (int i = 1; i <= N - 1; i++) {
        for (int j = i; j >= 1; j /= 10) {
            mask[i] |= (1 << (j % 10));
        }
    }
}

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
#ifdef LOCAL
    freopen("input.txt", "r", stdin);
#endif

    init();

    int k;
    cin >> k;
    for (int i = 1; i <= k; i++) {
        cin >> b[i];
    }
    if (k >= 1000) {
        cout << "1\n";
        return 0;
    }
    int ans = -1;
    for (int n = 1; n + k - 1 <= N - 1; n++) {
        bool ok = true;
        for (int i = 1; i <= k; i++) {
            ok &= getbit(mask[n + i - 1], b[i]);
        }
        if (ok) {
            ans = n;
            break;
        }
    }
    cout << ans << "\n";

#ifdef LOCAL
    cout << "\nTime elapsed: " << double(clock()) / CLOCKS_PER_SEC << " s.\n";
#endif
}

Subtask #1
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 4444 KB Output is correct
2 Correct 7 ms 4188 KB Output is correct
3 Correct 7 ms 4256 KB Output is correct
4 Correct 7 ms 4188 KB Output is correct
5 Correct 7 ms 4204 KB Output is correct
6 Correct 7 ms 4188 KB Output is correct
7 Correct 7 ms 4348 KB Output is correct
8 Incorrect 7 ms 4188 KB Output isn't correct
9 Halted 0 ms 0 KB -

Subtask #2
0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 4188 KB Output is correct
2 Correct 7 ms 4440 KB Output is correct
3 Correct 7 ms 4188 KB Output is correct
4 Correct 7 ms 4184 KB Output is correct
5 Correct 7 ms 4188 KB Output is correct
6 Correct 7 ms 4188 KB Output is correct
7 Incorrect 7 ms 4188 KB Output isn't correct
8 Halted 0 ms 0 KB -

Subtask #3
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 4184 KB Output is correct
2 Incorrect 8 ms 4188 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 4188 KB Output is correct
2 Correct 7 ms 4188 KB Output is correct
3 Correct 7 ms 4188 KB Output is correct
4 Correct 7 ms 4184 KB Output is correct
5 Incorrect 9 ms 4440 KB Output isn't correct
6 Halted 0 ms 0 KB -