Submission #539049

#	Time	Username	Problem	Language	Result	Execution time	Memory
539049		groshi	Growing Vegetables is Fun 4 (JOI21_ho_t1)	C++17	100 / 100	24 ms	3916 KiB

Main

#include<iostream>

using namespace std;
int roz[1000000];
int t[1000000];
int main()
{
    cin.tie(0);
    cout.tie(0);
    ios_base::sync_with_stdio(0);
    int n;
    cin>>n;
    for(int i=1;i<=n;i++)
    {
        cin>>t[i];
        if(i>1)
        roz[i-1]=t[i]-t[i-1];
    }
    long long suma1=0;
    long long suma2=0;
    for(int i=1;i<n;i++)
        if(roz[i]<=0)
            suma1-=roz[i]-1;
    long long wynik=suma1;
    for(int i=n-1;i>=1;i--)
    {
        if(roz[i]<=0)
            suma1+=roz[i]-1;
        else suma2+=roz[i]+1;
        if(roz[i]==0)
            suma2++;
        wynik=min(wynik,max(suma1,suma2));
    }
    cout<<wynik;
    return 0;
}

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