Submission #22,653

2026-01-15 13:36:46

cpp17

Accepted 50/50

208ms

9524 KiB

#include <bits/stdc++.h>

using namespace std;

int main()
{
    ios::sync_with_stdio(false);
    cin.tie(nullptr);

    int n;
    cin>>n;
    vector<int> v(n);
    set<int> t;
    for(int i=0;i<n;i++)
    {
        cin>>v[i];
        t.insert(v[i]);
    }
    int i=n-1;
    while(!t.empty())
    {
        if(t.count(v[i]))
        {
            t.erase(v[i]);
        }
        i--;
    }
    cout<<i+2;
    return 0;
}

	Sum	Test	Verdict		Time	Memory
base	50/50
		1	Accepted	0/0	1ms	316 KiB
		2	Accepted	0/0	9ms	820 KiB
		3	Accepted	5/5	1ms	316 KiB
		4	Accepted	5/5	1ms	316 KiB
		5	Accepted	5/5	32ms	1076 KiB
		6	Accepted	5/5	32ms	1076 KiB
		7	Accepted	4/4	165ms	6964 KiB
		8	Accepted	4/4	164ms	6760 KiB
		9	Accepted	4/4	146ms	5940 KiB
		10	Accepted	4/4	131ms	5600 KiB
		11	Accepted	4/4	120ms	4836 KiB
		12	Accepted	2/2	144ms	5172 KiB
		13	Accepted	2/2	197ms	9468 KiB
		14	Accepted	1/1	208ms	9524 KiB
		15	Accepted	1/1	206ms	9268 KiB
		16	Accepted	1/1	165ms	7668 KiB
		17	Accepted	1/1	135ms	5684 KiB
		18	Accepted	1/1	61ms	1784 KiB
		19	Accepted	1/1	52ms	1332 KiB