Submission #745766

#	Time	Username	Problem	Language	Result	Execution time	Memory
745766		vjudge1	Fancy Fence (CEOI20_fancyfence)	C++17	0 / 100	1 ms	212 KiB

fancyfence

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

int main(){

    int h, w;
    int wsum = 0;
    int n; cin >> n;
    for(int i = 0; i < n; i++){
        cin >> h >> w;
        wsum += w;
        w = w%1000000007;
    }
    wsum *= (wsum+1);
    wsum %= 1000000007;
    wsum *= h;
    wsum %= 1000000007;
    wsum *= (h+1);
    wsum %= 1000000007;
    while(wsum % 4 != 0){
        wsum += 1000000007;
    }
    wsum /= 4;
    cout << wsum;
}

• 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