Submission #775078

#	Time	Username	Problem	Language	Result	Execution time	Memory
775078		vjudge1	Stone Arranging 2 (JOI23_ho_t1)	C++17	100 / 100	179 ms	23716 KiB

Main

#include<bits/stdc++.h>
using namespace std;
const int N = 2e5 + 5;
map < int, int > p;
map < int, int > d;
int i,n,a[N],j;
int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie();
    cin>>n;
    for(i=1;i<=n;i++) cin>>a[i];
    for(i=1;i<=n;i++)
        if(p[a[i]]==0)
    {
        p[a[i]]=i;
    }
    else d[a[i]]=i;
    /*for(i=1;i<=n;i++)
        cout<<d[a[i]]<<" "<<p[a[i]]<<'\n';
    */
    for(i=1;i<=n;i++)
        if(d[a[i]]!=0)
    {
        for(j=i;j<=d[a[i]];j++)
            a[j]=a[i];
        i=d[a[i]];
    }
    for(i=1;i<=n;i++)
        cout<<a[i]<<" ";
}

• Subtask 1: 25 / 25
• Subtask 2: 35 / 35
• Subtask 3: 40 / 40