Submission #1157552

#	Time	Username	Problem	Language	Result	Execution time	Memory
1157552		mocha	오렌지 출하 (JOI16_ho_t1)	C++20	100 / 100	32 ms	692 KiB

2016_ho_t1

#include <bits/stdc++.h>
#define int long long
using namespace std;
const int inf = 1e18;

int n, m, k;
int a[20005];
int ma[20][20005], mn[20][20005];
int dp[20005];
int ans;

signed main() {
    cin >> n >> m >> k;
    for (int i=1;i<=n;i++) cin >> a[i];
    dp[0] = 0;
    int ma, mn;
    for (int i=1;i<=n;i++) {
        ma = mn = a[i];
        dp[i] = k + ma - mn + dp[i-1];
        for (int j=i;j>=max(1ll, i-m+1);j--) {
            ma = max(a[j], ma), mn = min(a[j], mn);
            dp[i] = min(dp[i], k + (i-j+1)*(ma-mn) + dp[j-1]);
        }
    }
    cout << dp[n] << "\n";
}

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