Submission #1045710

# Submission time Handle Problem Language Result Execution time Memory
1045710 2024-08-06T07:05:37 Z ezzzay Skyline (IZhO11_skyline) C++14
100 / 100
54 ms 101212 KB
#include<bits/stdc++.h>
using namespace std;
#define int  long long
#define ff first
#define ss second
#define pb push_back
const int N=3e5+5;
vector<int>ans;
int a[N];
int dp[305][205][205];
signed main(){
    int n;
    cin>>n;
    for(int i=1;i<=n;i++){
        cin>>a[i];
    }
    for(int i=0;i<305;i++){
        for(int j=0;j<205;j++){
            for(int k=0;k<205;k++){
                dp[i][j][k]=1e9;
            }
        }
    }
    for(int i = 0;i<=a[1];i++)dp[2][a[1]-i][a[2]] = dp[1][0][a[1]-i] = i*3;
    for(int i=2;i<=n;i++){
        for(int j=a[i-1];j>=0;j--){
            for(int k=a[i];k>=0;k--){
                dp[i][j][k]=min(dp[i][j][k],dp[i][j][k+1]+3);
            }
        }
        for(int j=a[i-1];j>=0;j--){
            for(int k=a[i];k>=0;k--){
                dp[i][j][k]=min(dp[i][j][k],dp[i][j+1][k+1]+5);
            }
        }
        if(n==i)continue;
        for(int j=min({a[i],a[i-1],a[i+1]});j>=0;j--){
            for(int k=a[i];k>=j;k--){
                dp[i+1][k-j][a[i+1]-j]=min(dp[i+1][k-j][a[i+1]-j],dp[i][j][k] + j*7);
            }
        }
    }
    cout<<dp[n][0][0];
}
# Verdict Execution time Memory Grader output
1 Correct 13 ms 100952 KB Output is correct
2 Correct 11 ms 100956 KB Output is correct
3 Correct 11 ms 100956 KB Output is correct
4 Correct 11 ms 101016 KB Output is correct
5 Correct 12 ms 101164 KB Output is correct
6 Correct 11 ms 100956 KB Output is correct
7 Correct 11 ms 101076 KB Output is correct
8 Correct 11 ms 100996 KB Output is correct
9 Correct 11 ms 100952 KB Output is correct
10 Correct 12 ms 101008 KB Output is correct
11 Correct 16 ms 101024 KB Output is correct
12 Correct 12 ms 101212 KB Output is correct
13 Correct 18 ms 101136 KB Output is correct
14 Correct 19 ms 101128 KB Output is correct
15 Correct 36 ms 100956 KB Output is correct
16 Correct 36 ms 101152 KB Output is correct
17 Correct 54 ms 100956 KB Output is correct
18 Correct 52 ms 100956 KB Output is correct
19 Correct 49 ms 101056 KB Output is correct
20 Correct 48 ms 100952 KB Output is correct