Submission #1173863

#	Time	Username	Problem	Language	Result	Execution time	Memory
1173863		ezzzay	Safety (NOI18_safety)	C++20	13 / 100	311 ms	2832 KiB

safety

#include<bits/stdc++.h>
using namespace std;
#define ff first
#define int long long
#define ss second
#define pb push_back
const int N=555;
int dp[N][N];
int a[N];
signed main(){
    int n,h;
    cin>>n>>h;
    for(int i=1;i<=n;i++)cin>>a[i];
    for(int i=0;i<N;i++){
        for(int j=0;j<N;j++){
            dp[i][j]=1e15;
        }
    }
    for(int i=0;i<N;i++){
        dp[1][i]=abs(a[1]-i);
    }
    for(int i=2;i<=n;i++){
        for(int j=0;j<N;j++){
            for(int l=0;l<N;l++){
                if(abs(j-l)<=h){
                    dp[i][j]=min(dp[i][j],dp[i-1][l]+ abs(j-a[i]));
                }
            }
        }
    }
    int ans=1e15;
    for(int i=0;i<N;i++){
        ans=min(ans,dp[n][i]);
    }
    cout<<ans;
}

• Subtask 1: 3 / 3
• Subtask 2: 4 / 4
• Subtask 3: 0 / 9
• Subtask 4: 0 / 5
• Subtask 5: 6 / 6
• Subtask 6: 0 / 11
• Subtask 7: 0 / 11
• Subtask 8: 0 / 22
• Subtask 9: 0 / 29