Submission #761737

#	Time	Username	Problem	Language	Result	Execution time	Memory
761737		DavidAA007	Growing Vegetables is Fun 4 (JOI21_ho_t1)	C++14	100 / 100	86 ms	10132 KiB

Main

#include<bits/stdc++.h>
#define mod 1000000007
#define inf 0x3f3f3f3f
#define bit(x,i)(((x)>>(i))&1)
#define FAST ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);
using namespace std;
ifstream fin("partit.in");
ofstream fout("partit.out");
const long long int mare=1LL*1000000000000000000;
long long int T,n,m,ok,i,j,k,t;
long long int c,aux,start,maxx,summax,minn;
long long int contor,suma,poz,dim;
long long int v[200005],st[200005],dr[200005],sumst[200005],sumdr[200005];
int main()
{
    cin>>n;
    for(i=1;i<=n;i++)
    {
        cin>>v[i];
    }
    st[1]=v[1];
    for(i=2;i<=n;i++)
    {
        st[i]=v[i]+sumst[i-1];
        sumst[i]=sumst[i-1];
        if(st[i]<=st[i-1])
        {
            sumst[i]+=(st[i-1]-st[i])+1;
            st[i]=st[i-1]+1;
        }
    }
    dr[n]=v[n];
    for(i=n-1;i>=1;i--)
    {
        dr[i]=v[i]+sumdr[i+1];
        sumdr[i]=sumdr[i+1];
        if(dr[i]<=dr[i+1])
        {
            sumdr[i]+=(dr[i+1]-dr[i])+1;
            dr[i]=dr[i+1]+1;
        }
    }
    contor=mare;
    for(i=1;i<=n;i++)
    {
        contor=min(contor,max(sumst[i],sumdr[i]));
    }
    cout<<contor;
    return 0;
}
/*

7
12 2 34 85 4 91 3

*/

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