Submission #1334047

#	Time	Username	Problem	Language	Result	Execution time	Memory
1334047		Warinchai	Money (IZhO17_money)	C++20	45 / 100	1591 ms	2100 KiB

money

#include<bits/stdc++.h>
using namespace std;

int ar[1000005];
int dp[305];
int inf=1e9;

int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    int n;cin>>n;
    for(int i=1;i<=n;i++)cin>>ar[i],dp[i]=inf;
    for(int i=1;i<=n;i++){
        int mx=ar[i],mn=ar[i];
        int prv=ar[i];
        for(int j=i;j>=1;j--){
            if(ar[j]>prv)break;
            mx=max(mx,ar[j]);
            mn=min(mn,ar[j]);
            int can=1;
            for(int k=1;k<j;k++){
                if(ar[k]>mn&&ar[k]<mx)can=0;
            }
            if(can==1){
                dp[i]=min(dp[i],dp[j-1]+1);
            }
            prv=ar[j];
        }
    }
    cout<<dp[n];
}

• Subtask 1: 9 / 9
• Subtask 2: 16 / 16
• Subtask 3: 20 / 20
• Subtask 4: 0 / 55