Submission #573135

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
573135	2022-06-06 04:02:15	piOOE	Fancy Fence (CEOI20_fancyfence)	C++17	100 / 100	31 ms	5456 KiB

fancyfence

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#include <bits/stdc++.h>
using namespace std;
#define sz(x) ((int)size(x))
#define all(x) begin(x), end(x)
#define trace(x) cout << #x << ": " << (x) << endl;
typedef long long ll;
mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count());
int rand(int l, int r) { return (int) ((ll) rnd() % (r - l + 1)) + l; }
const int N = 100001;
ll mod = 1e9 + 7;
int h[N], R[N], L[N];
ll w[N];
ll pref[N];
int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    int n;
    cin >> n;
    for (int i = 1; i <= n; ++i) {
        cin >> h[i];
    }
 
 
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