제출 #251766

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
251766	2020-07-22 09:38:32	tutis	Hacker (BOI15_hac)	C++17	20 / 100	64 ms	14316 KiB

hac

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/*input
4
7 6 8 4
*/
#pragma GCC optimize ("O3")
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
using namespace std;
using namespace __gnu_pbds;
typedef long long ll;
typedef long double ld;
template<typename T>
using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
template<typename T, typename K>
using ordered_map = tree<T, K, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
int main()
{
  ios_base::sync_with_stdio(false);
  cin.tie(0), cout.tie(0);
  int n;
  cin >> n;
  ll h[n];
  for (int i = 0; i < n; i++)
    cin >> h[i];
  ll k = (n + 1) / 2;
  int sz = n + k;
  ll s[sz + 1];
  s[0] = 0;
  for (int i = 1; i <= sz; i++)
 
 
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