Submission #870431

#	Time	Username	Problem	Language	Result	Execution time	Memory
870431		gutzzy	Fancy Fence (CEOI20_fancyfence)	C++14	0 / 100	1 ms	500 KiB

fancyfence

#include <bits/stdc++.h>
using namespace std;

int main(){
    int n;
    cin >> n;
    vector<long long> h(n);
    vector<long long> w(n);
    long long m=0;
    for(int i=0;i<n;i++) cin >> h[i];
    for(int i=0;i<n;i++){
        cin >> w[i];
        m += w[i];
    }
    cout << (((h[0]*(h[0]+1))/2)*((m*(m+1))/2))%(1000000007) << endl;
    

    return 0;
}

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