Submission #16,443

2025-04-30 16:58:43

cpp17

Accepted 50/50

287ms

18736 KiB

// UUID: f9a797bd-b84c-4ca5-a392-dde170d6a032
#include <bits/stdc++.h>
#include <vector>
using namespace std;

int main() {
    long long n;
    cin >> n;
    vector<long long> v(n);
    for(long long i = 0; i < n; i++) cin >> v[i];
    set<long long> s1;
    for(long long i = 0; i < n ; i++) s1.insert(v[i]);
    set<long long> s2;
    for(long long i = n - 1; i >= 0; i--){
        s2.insert(v[i]);
        if(s2.size() == s1.size()) {
            cout << i + 1;
            return 0;
        }
    }
}

	Sum	Test	Verdict		Time	Memory
base	50/50
		1	Accepted	0/0	1ms	316 KiB
		2	Accepted	0/0	13ms	1328 KiB
		3	Accepted	5/5	1ms	316 KiB
		4	Accepted	5/5	2ms	316 KiB
		5	Accepted	5/5	64ms	1980 KiB
		6	Accepted	5/5	63ms	1976 KiB
		7	Accepted	4/4	196ms	13632 KiB
		8	Accepted	4/4	202ms	13240 KiB
		9	Accepted	4/4	187ms	11828 KiB
		10	Accepted	4/4	165ms	10548 KiB
		11	Accepted	4/4	151ms	9144 KiB
		12	Accepted	2/2	202ms	9920 KiB
		13	Accepted	2/2	287ms	18736 KiB
		14	Accepted	1/1	266ms	18484 KiB
		15	Accepted	1/1	277ms	18228 KiB
		16	Accepted	1/1	224ms	14900 KiB
		17	Accepted	1/1	182ms	10676 KiB
		18	Accepted	1/1	125ms	2868 KiB
		19	Accepted	1/1	115ms	2232 KiB