Submission #527124

#	Time	Username	Problem	Language	Result	Execution time	Memory
527124		joelau	Calvinball championship (CEOI15_teams)	C++14	10 / 100	1 ms	428 KiB

teams

#include <bits/stdc++.h>
using namespace std;

long long N, A[105], memo[105][105], p = 1000007;

long long dp (long long n, long long m) {
    if (n == N) return 1;
    if (memo[n][m] != -1) return memo[n][m];
    return memo[n][m] = (dp(n+1,m) * m + dp(n+1,m+1)) % p;
}

int main() {
    ios_base::sync_with_stdio(false); cin.tie(NULL);
    cin >> N;
    for (long long i = 0; i < N; ++i) cin >> A[i];
    memset(memo,-1,sizeof(memo));
    cout << dp(0,0);

    return 0;
}

• Subtask 1: 0 / 10
• Subtask 2: 0 / 10
• Subtask 3: 0 / 10
• Subtask 4: 10 / 10
• Subtask 5: 0 / 10
• Subtask 6: 0 / 10
• Subtask 7: 0 / 10
• Subtask 8: 0 / 10
• Subtask 9: 0 / 10
• Subtask 10: 0 / 10