Submission #1256372

#	Time	Username	Problem	Language	Result	Execution time	Memory
1256372		tvgk	Stone Arranging 2 (JOI23_ho_t1)	C++20	100 / 100	190 ms	13340 KiB

Main

#include<bits/stdc++.h>
using namespace std;
#define task "a"
#define se second
#define fi first
#define ll long long
#define ii pair<ll, ll>
const long mxN = 2e5 + 7;

int n, a[mxN];
map<int, int> cnt;

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    //freopen(task".INP", "r", stdin);
    //freopen(task".OUT", "w", stdout);

    cin >> n;
    stack<int> stk;
    for (int i = 1; i <= n; i++)
    {
        cin >> a[i];
        cnt[a[i]]++;

        while (cnt[a[i]] > 1)
        {
            cnt[a[stk.top()]]--;
            stk.pop();
        }
        stk.push(i);
    }

    for (int i = n; i >= 1; i--)
    {
        if (stk.size() && stk.top() == i)
            stk.pop();
        else
            a[i] = a[i + 1];
    }

    for (int i = 1; i <= n; i++)
        cout << a[i] << '\n';
}

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