Submission #16,333

2025-04-28 17:45:05

cpp17

Accepted 50/50

172ms

10436 KiB

// UUID: fa16e614-6a0e-4e2d-a222-58d10b8ac4a5
#include <bits/stdc++.h>
using namespace std;

#define int long long

signed main() {
	int n; cin >> n;
    vector<int>a(n);
    for(int &i : a)cin >> i;
    set<int>s;
    int sz = 0, time = 0;
    for(int i = n-1; i > -1; i--)
    {
        s.insert(a[i]);
        if(sz != s.size())
        {
            sz = s.size();
            time = i;
        }
    }
    cout << time+1;
}

	Sum	Test	Verdict		Time	Memory
base	50/50
		1	Accepted	0/0	1ms	316 KiB
		2	Accepted	0/0	9ms	816 KiB
		3	Accepted	5/5	1ms	508 KiB
		4	Accepted	5/5	1ms	500 KiB
		5	Accepted	5/5	61ms	1976 KiB
		6	Accepted	5/5	61ms	1976 KiB
		7	Accepted	4/4	129ms	7864 KiB
		8	Accepted	4/4	131ms	7612 KiB
		9	Accepted	4/4	123ms	6840 KiB
		10	Accepted	4/4	120ms	6196 KiB
		11	Accepted	4/4	115ms	5428 KiB
		12	Accepted	2/2	142ms	5812 KiB
		13	Accepted	2/2	172ms	10436 KiB
		14	Accepted	1/1	168ms	10036 KiB
		15	Accepted	1/1	167ms	10036 KiB
		16	Accepted	1/1	165ms	8500 KiB
		17	Accepted	1/1	144ms	6328 KiB
		18	Accepted	1/1	112ms	2352 KiB
		19	Accepted	1/1	108ms	2100 KiB