Submission #871403

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
871403	2023-11-10T17:39:24 Z	Trisanu_Das	Fancy Fence (CEOI20_fancyfence)	C++17	Compilation error	0 ms	0 KB

fancyfence

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
 
int N, L;
ll h[100005], w[100005];
vector<ll> nh;
 
int main(){
    cin >> n;
    for(int i=0;i<N;i++) cin >> h[i];
    for(int i=0;i<N;i++){
        cin >> w[i];
        for(int j=0;j<w[i];j++){
            L++;
            nh.push_back(h[i]);
        }
    }
    ll ans=0;
    for(int i=0;i<L;i++){
        for(int j=0; j<=i; j++){
            ll m=INT_MAX;
            for(int k=j;k<=i;k++) m = min(m, nh[k]);
            (ans += (m*(m+1))/2LL) %= 100000007;
        }
    }
    cout << ans << '\n';
}

Compilation message

fancyfence.cpp: In function 'int main()':
fancyfence.cpp:10:12: error: 'n' was not declared in this scope; did you mean 'nh'?
   10 |     cin >> n;
      |            ^
      |            nh