Submission #745902

#	Time	Username	Problem	Language	Result	Execution time	Memory
745902		vjudge1	Fancy Fence (CEOI20_fancyfence)	C++17	0 / 100	1 ms	212 KiB

fancyfence

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

const int mod=1000000007;

int32_t main() {
	int s;
	cin>>s;
	int h[s];
	int w[s];
	int wossz = 0;
	for (int i=0; i<s; i++) cin >> h[i];
	int hossz = h[0];
	for(int i=0; i<s; i++){
		cin>>w[i];
		wossz += w[i];
	}
	cout << (((((hossz*(hossz+1)/2)%mod) * wossz)%mod)*(wossz+1)/2)%mod<<"\n";
	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