Submission #1289660

#	Time	Username	Problem	Language	Result	Execution time	Memory
1289660		haha	Stove (JOI18_stove)	C++20	20 / 100	1096 ms	13632 KiB

stove

#include <bits/stdc++.h>
#define f first
#define s second
#define ll long long
using namespace std;
const int maxn=5e3+5;

int n,k;
int a[maxn];
int dp[maxn][maxn];

int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);cout.tie(0);
    cin>>n>>k;
    for(int i=1;i<=n;i++) cin>>a[i];
    for(int i=0;i<=n;i++){
        for(int j=0;j<=k;j++) dp[i][j]=1e9;
    }
    dp[0][0]=0;
    for(int j=1;j<=k;j++){
        for(int i=1;i<=n;i++){
            for(int pre=1;pre<=i;pre++){
                dp[i][j]=min(dp[i][j],dp[pre-1][j-1]+a[i]+1-a[pre]);
            }
        }
    }
    cout<<dp[n][k];
}

• Subtask 1: 20 / 20
• Subtask 2: 0 / 30
• Subtask 3: 0 / 50