Submission #1158051

#	Time	Username	Problem	Language	Result	Execution time	Memory
1158051		wjliangtpe	Growing Vegetables is Fun 4 (JOI21_ho_t1)	C++20	0 / 100	1 ms	396 KiB

Main

#include<bits/stdc++.h>
using namespace std;
#define int long long
#define oo 10000000000000001
int s,t,n,a,b,dl[200005],dr[200005],ans=oo;
signed main(){
    ios::sync_with_stdio(0),cin.tie(0);
    cin>>n>>a;
    for(int i=1;i<=n-1;i++){
        cin>>b;
        dl[i]=max(a-a,1-b+a);
        s+=dl[i];
        //cout<<dl[i]<<'\n';
        dr[i]=max(a-a,b-a+1);
        //cout<<dr[i]<<'\n';
        a=b;
    }
    for(int i=n-1;i>=1;i--){
        s-=dl[i];
        t+=dr[i];
        ans=min(ans,max(s,t));
    }
    cout<<ans<<'\n';
    return 0;
}

• Subtask 1: 0 / 40
• Subtask 2: 0 / 60