제출 #1122006

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1122006		vjudge1	Calvinball championship (CEOI15_teams)	C++17	0 / 100	1 ms	504 KiB

teams

#include <bits/stdc++.h>

using namespace std;

#define int long long

const int sz=2e6+5;

const int INF=1e18;

const int MOD=1e6+7;

int arr[sz];

void solve()
{
    int n;
    
    cin>>n;
    
    for(int i=0;i<n;i++)
        cin>>arr[i];
    
    int res=1;
    
    for(int i=0;i<n;i++)
        res+=(arr[i]*(i+1))%MOD;
    
    cout<<res-(n*(n+1)/2)+1;
}

signed main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    
    int t=1;
    
    //cin>>t;
    
    
    while(t--)
    {
        solve();
    }
}

• Subtask 1: 0 / 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