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Submission #894710

# Submission time Handle Problem Language Result Execution time Memory
894710 2023-12-28T18:40:18 Z raphaelp Calvinball championship (CEOI15_teams) C++14
20 / 100
 31 ms 65536 KB 
#include <bits/stdc++.h>
using namespace std;
int main()
{
    long long N;
    cin >> N;
    vector<long long> Tab(N);
    for (long long i = 0; i < N; i++)
    {
        cin >> Tab[i];
    }
    vector<vector<long long>> dp(N, vector<long long>(N, 1));
    for (long long i = N - 2; i >= 0; i--)
    {
        for (long long j = 0; j <= i; j++)
        {
            dp[i][j] = (dp[i + 1][j + 1] + (dp[i + 1][j] * (j + 1))) % 1000000007;
        }
    }
    long long tot = 0;
    long long maxx = 0;
    for (long long i = 0; i < N; i++)
    {
        maxx = max(maxx, Tab[i]);
        tot += (Tab[i] - 1) * dp[i][maxx - 2];
        tot = tot % 1000000007;
    }
    cout << (tot + 1) % 1000000007;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 440 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 2396 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 5 ms 8280 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #8
0 / 10.0

# Verdict Execution time Memory Grader output
1 Runtime error 31 ms 65536 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Runtime error 25 ms 65536 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# Verdict Execution time Memory Grader output
1 Runtime error 27 ms 65536 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -