Submission #389175

#	Time	Username	Problem	Language	Result	Execution time	Memory
389175		Ahmad_Hasan	Calvinball championship (CEOI15_teams)	C++17	10 / 100	270 ms	65540 KiB

teams

#include <bits/stdc++.h>

using namespace std;



int32_t main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);      cout.tie(0);
    int n;
    cin>>n;
    vector<int>v(n);
    for(int i=0;i<n;i++)
        cin>>v[i];

    int dp[n][n+5];
    memset(dp,0,sizeof(dp));
    for(int i=1;i<=n;i++)
        dp[n-1][i]=i-1;
    int mod=1e6+7;
    for(int i=n-2;i>=0;i--){
        for(int j=2;j<=n;j++){
            dp[i][j]=dp[i][j-1];
            for(int k=i+1;k<n;k++){
                dp[i][j]+=dp[k][j-1+(k-(i))];
                dp[i][j]%=mod;
            }
            dp[i][j]++;
            dp[i][j]%=mod;
        }
    }
/***
    for(int i=0;i<n;i++){
        for(int j=1;j<=n;j++)
            cout<<dp[i][j]<<' ';
        cout<<'\n';
    }*/

    int ans=0;
    for(int i=0;i<n;i++){
        ans+=dp[i][v[i]];
        ans%=mod;
    }

    cout<<(ans+1)%mod<<'\n';

    return 0;
}

• Subtask 1: 10 / 10
• Subtask 2: 0 / 10
• Subtask 3: 0 / 10
• Subtask 4: 0 / 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