Submission #1134952

#	Time	Username	Problem	Language	Result	Execution time	Memory
1134952		MunkhturErdenebat	Growing Vegetables is Fun 4 (JOI21_ho_t1)	C++20	100 / 100	60 ms	5120 KiB

Main

#include<bits/stdc++.h>
#include<string.h>
#include <algorithm>
#include <stdlib.h>
 #define ll long long
using namespace std;
    ll k[300006],a,b,c,d,e,f,m[300006],i,j,n,h,g,l,r,ka,p,q[200005],t[200005];
    map<ll,ll> maa,mii,mee;
    vector<ll> vas[25],vis,vii;

int main(){
    cin>>a;
    for(i=0 ; i<a ; i++){
        cin>>k[i];
    }
    h=1;
    for(i=1 ; i<a ; i++){
        if(k[i]<=k[i-1]){
            t[i]=k[i-1]-k[i]+1;
        }
        else{
            t[i]=0;
        }
    }
    g=0;
    h=1;
    
    for(i=a-2 ; i>=0 ; i--){
        if(k[i+1]>=k[i]){
            m[i]=k[i+1]-k[i]+1;
        }
        else{
            m[i]=0;
        }
       
        g+=m[i];
    }
    h=10000000000000000;
    l=0;
    for(i=0 ; i<a ; i++){
        if(max(l+t[i],g)<h){
            r=i;
            h=max(l+t[i],g);

        }
        
        g-=m[i];
        l+=t[i];
    }
    g=0;
    cout<<h<<endl;
}

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