# | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
945091 | 2024-03-13T11:49:43 Z | AccountName | Fancy Fence (CEOI20_fancyfence) | C++14 | 0 ms | 0 KB |
#include <bits/stdc++.h> #define int long long using namespace std; signed main() { ios_base::sync_with_stdio(false); cin.tie(NULL); int N; cin >> N; int h[N], w[N]; int total_w = 0; for (int i = 0; i < N; i++) { cin >> h[i]; } for (int i = 0; i < N; i++) { cin >> w[i]; total_w += w[i]; } // subtask 4 /* int answer = h[0] * (total_w * (total_w + 1)) / 2; //cout << answer << "\n"; answer = answer * (total_w * h[0] * (h[0]+1)) / 2 / (total_w * h[0]); */ int answer = h[0] * total_w * (total_w + 1) * (h[0]+1) / 4 cout << answer; return 0; }