Submission #906311

#	Time	Username	Problem	Language	Result	Execution time	Memory
906311		OAleksa	오렌지 출하 (JOI16_ho_t1)	C++14	100 / 100	42 ms	756 KiB

2016_ho_t1

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define f first
#define s second
const int N = 2e4 + 69;
int dp[N], n, a[N], k, m;
signed main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  cout.tie(0);
  int tt = 1;
  //cin >> tt;
  while (tt--) {
  	cin >> n >> m >> k;
  	for (int i = 1;i <= n;i++) {
  		cin >> a[i];
  		dp[i] = 1e18;
  	}
  	for (int i = 1;i <= n;i++) {
  		int mx = a[i], mn = a[i];
  		for (int j = i - 1;j >= max(0ll, i - m);j--) {
  			dp[i] = min(dp[i], dp[j] + k + (i - j) * (mx - mn));
  			mx = max(mx, a[j]);
  			mn = min(mn, a[j]);
  		}
  	}
  	cout << dp[n];
	}
  return 0;
}

• Subtask 1: 20 / 20
• Subtask 2: 50 / 50
• Subtask 3: 30 / 30