Submission #110612

#	Time	Username	Problem	Language	Result	Execution time	Memory
110612		someone_aa	Calvinball championship (CEOI15_teams)	C++17	10 / 100	89 ms	66560 KiB

teams

#include <bits/stdc++.h>
#define ll long long
#define pb push_back
#define mp make_pair
using namespace std;
const int maxn = 11000;
const ll mod = 1000007;
ll dp[maxn][maxn];
ll a[maxn], n;

int main() {
    cin>>n;
    for(int i=1;i<=n;i++) {
        cin>>a[i];
    }

    dp[1][1] = 1LL;
    for(int i=2;i<=n;i++) {
        for(int j=1;j<=n;j++) {
            dp[i][j] = dp[i-1][j-1] + 1LL * j * dp[i-1][j];
            dp[i][j] %= mod;
        }
    }

    ll sum = 0LL;
    for(int i=1;i<=n;i++) {
        sum += dp[n][i];
        sum %= mod;
    }
    cout<<sum<<"\n";

    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