Submission #1125692

#	Time	Username	Problem	Language	Result	Execution time	Memory
1125692		EfeBabagil	Fancy Fence (CEOI20_fancyfence)	C++20	15 / 100	59 ms	1864 KiB

fancyfence

#include <bits/stdc++.h>
#include <stdio.h>
using namespace std;
#define int long long
int mod=1e9+7;
int32_t main()
{
    int n;
    cin>>n;
    vector<pair<int,int>> fences(n);
    int h=0;
    for(int i=0;i<n;i++)
    {
        cin>>fences[i].first;
        h=fences[i].first;
    }
    int sum=0;
    for(int i=0;i<n;i++)
    {
        cin>>fences[i].second;
        sum=(sum+fences[i].second)%mod;
    }
    int row, col;
    row=(((h+1)*h)/2)%mod;
    col=(((sum+1)*sum)/2)%mod;
    cout<<(row*col)%mod;
    return 0;
}

• Subtask 1: 0 / 0
• Subtask 2: 0 / 12
• Subtask 3: 0 / 13
• Subtask 4: 15 / 15
• Subtask 5: 0 / 15
• Subtask 6: 0 / 18
• Subtask 7: 0 / 27