Submission #47025

#	Time	Username	Problem	Language	Result	Execution time	Memory
47025		iletavcioski	Calvinball championship (CEOI15_teams)	C++17	70 / 100	393 ms	864 KiB

teams

#include <iostream>
#include <vector>
using namespace std;
typedef long long ll;
const ll mod = 1000007;
int main()
{
    int n;
    cin>>n;
    vector<int> v;
    vector<int> maxi;
    vector<int> dp;
    for(int i=0;i<n;i++)
    {
        int a;
        cin>>a;
        v.push_back(a);
        if(maxi.size())
        {
            maxi.push_back(max(maxi[maxi.size()-1],a));
        }
        else
            maxi.push_back(a);
        dp.push_back(1);
    }
    dp.push_back(1);
    ll brojac=1;
    for(int i=n-1;i>=0;i--)
    {
        int a;
        if(i==0)
            a=0;
        else
            a=maxi[i-1];
        for(int j=1;j<v[i];j++)
        {
            brojac+=dp[max(a,j)];
            brojac%=mod;
        }
        ll broj=dp[1];
        for(int j=1;j<=i;j++)
        {
            dp[j]=1LL*j*dp[j]+dp[j+1];
            dp[j]%=mod;
        }
    }
    cout<<brojac<<endl;
    return 0;

}

Compilation message (stderr)

teams.cpp: In function 'int main()':
teams.cpp:40:12: warning: unused variable 'broj' [-Wunused-variable]
         ll broj=dp[1];
            ^~~~

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