Submission #6,991

2023-12-24 14:33:45

cpp17

Accepted 50/50

168ms

38868 KiB

#include <iostream>
#include <vector>
#include <set>
using namespace std;
#define speed cin.tie(0); ios::sync_with_stdio(0)

int main() {
    speed;
    int N;
    cin >> N;
    vector<int> v(N);
    set<int> s, t;
    for (int i = 0; i < N; i++) {
        cin >> v[i];
        s.insert(v[i]);
    }
    for (int i = N - 1; i >= 0; i--) {
        t.insert(v[i]);
        if (t.size() == s.size()) {
            cout << i + 1;
            exit(0);
        }
    }
}

	Sum	Test	Verdict		Time	Memory
base	50/50
		1	Accepted	0/0	3ms	1824 KiB
		2	Accepted	0/0	10ms	3808 KiB
		3	Accepted	5/5	3ms	2428 KiB
		4	Accepted	5/5	3ms	2372 KiB
		5	Accepted	5/5	35ms	4220 KiB
		6	Accepted	5/5	35ms	4428 KiB
		7	Accepted	4/4	153ms	28320 KiB
		8	Accepted	4/4	144ms	27716 KiB
		9	Accepted	4/4	128ms	24612 KiB
		10	Accepted	4/4	115ms	22156 KiB
		11	Accepted	4/4	105ms	19552 KiB
		12	Accepted	2/2	129ms	21188 KiB
		13	Accepted	2/2	168ms	38868 KiB
		14	Accepted	1/1	165ms	38284 KiB
		15	Accepted	1/1	167ms	37392 KiB
		16	Accepted	1/1	143ms	31004 KiB
		17	Accepted	1/1	120ms	22808 KiB
		18	Accepted	1/1	68ms	6700 KiB
		19	Accepted	1/1	57ms	5840 KiB