Submission #410256

#	Time	Username	Problem	Language	Result	Execution time	Memory
410256		Ronin13	K blocks (IZhO14_blocks)	C++14	53 / 100	119 ms	262148 KiB

blocks

#include<bits/stdc++.h>
#define ll long long
#define ull unsigned ll
#define pll pair<ll,ll>
#define pii pair<int,int>
#define pb push_back
#define epb emplace_back
#define f first
#define s second
#define inf 1e9+1;

using namespace std;
ll dp[100001][101];

void solve(){
    int n,k;cin>>n>>k;
    vector<ll>a(n+1);
    for(int i=1;i<=n;i++){
        cin>>a[i];
    }
    ll mx[n+1][n+1];
    for(int i=1;i<=n;i++){
        for(int j=1;j<=k;j++)dp[i][j]=1e12;
    }
    for(int i=1;i<=n;i++){
        for(int j=1;j<=i;j++){
            ll mx1=0;
            for(int l=j;l<=i;l++)mx1=max(mx1,a[l]);
            mx[j][i]=mx1;
        }
    }
    for(int i=1;i<=n;i++)mx[0][i]=mx[1][i];

    for(int i=1;i<=n;i++){
        for(int j=1;j<=i;j++){
            if(j==1){dp[i][j]=mx[1][i];continue;}
            for(int l=j-1;l<i;l++){
                dp[i][j]=min(dp[l][j-1]+mx[l+1][i],dp[i][j]);
            }
        }

    }
    cout<<dp[n][k];
}

int main(){
    int t;t=1;
    while(t--){
        solve();
    }
}

• Subtask 1: 14 / 14
• Subtask 2: 18 / 18
• Subtask 3: 21 / 21
• Subtask 4: 0 / 47