Submission #16,454

2025-04-30 17:33:33

cpp17

Accepted 50/50

215ms

9524 KiB

// UUID: 318bdaa8-88fe-44b6-bf44-07a05f970b78
#include <bits/stdc++.h>
using namespace std;

int main() {
	int n;
	cin >> n;
	set<int>tn;
	int kii;
	vector<int>sz(n+1);
	for(int i=1; i<=n; i++){
		cin >> sz[i];
	}
	for(int i=n; i>0; i--){
		int a=sz[i];
		if(tn.count(a)==0){kii=i;
		tn.insert(a);
		}
		
	}
	cout << kii;
}

	Sum	Test	Verdict		Time	Memory
base	50/50
		1	Accepted	0/0	1ms	316 KiB
		2	Accepted	0/0	10ms	820 KiB
		3	Accepted	5/5	1ms	316 KiB
		4	Accepted	5/5	1ms	316 KiB
		5	Accepted	5/5	68ms	1196 KiB
		6	Accepted	5/5	68ms	1196 KiB
		7	Accepted	4/4	163ms	7080 KiB
		8	Accepted	4/4	164ms	6824 KiB
		9	Accepted	4/4	153ms	6056 KiB
		10	Accepted	4/4	149ms	5428 KiB
		11	Accepted	4/4	142ms	4660 KiB
		12	Accepted	2/2	171ms	5172 KiB
		13	Accepted	2/2	209ms	9524 KiB
		14	Accepted	1/1	208ms	9384 KiB
		15	Accepted	1/1	215ms	9268 KiB
		16	Accepted	1/1	200ms	7732 KiB
		17	Accepted	1/1	171ms	5428 KiB
		18	Accepted	1/1	128ms	1460 KiB
		19	Accepted	1/1	123ms	1332 KiB