Submission #1135074

#	Time	Username	Problem	Language	Result	Execution time	Memory
1135074		Aviansh	Safety (NOI18_safety)	C++20	35 / 100	1813 ms	327680 KiB

safety

#include <bits/stdc++.h>

using namespace std;

signed main(){
    ios::sync_with_stdio(0);
    cin.tie(0);
    int n,h;
    cin >> n >> h;
    int arr[n];
    int mxval = 0;
    for(int &i : arr){
        cin >> i;
        mxval=max(mxval,i);
    }
    int dp[n][mxval+1];
    for(int i = 0;i<=mxval;i++){
        dp[0][i]=abs(i-arr[0]);
    }
    for(int i = 1;i<n;i++){
        multiset<int>s;
        for(int j = 0;j<=min(h-1,mxval);j++){
            s.insert(dp[i-1][j]);
        }
        for(int j = 0;j<=mxval;j++){
            if(j+h<=mxval){
                s.insert(dp[i-1][j+h]);
            }
            if(j-h-1>=0){
                s.erase(s.find(dp[i-1][j-h-1]));
            }
            dp[i][j]=abs(arr[i]-j)+(*(s.begin()));
        }
    }
    cout << *min_element(dp[n-1],dp[n-1]+mxval+1);
    return 0;
}

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