Submission #16,415

2025-04-29 17:20:26

cpp17

Accepted 50/50

300ms

18032 KiB

// UUID: de13158b-2bab-4976-a696-ec9224b0223d
#include <bits/stdc++.h>
using namespace std;

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

	Sum	Test	Verdict		Time	Memory
base	50/50
		1	Accepted	0/0	1ms	316 KiB
		2	Accepted	0/0	14ms	1076 KiB
		3	Accepted	5/5	1ms	316 KiB
		4	Accepted	5/5	1ms	316 KiB
		5	Accepted	5/5	75ms	1236 KiB
		6	Accepted	5/5	75ms	1232 KiB
		7	Accepted	4/4	209ms	12892 KiB
		8	Accepted	4/4	209ms	12596 KiB
		9	Accepted	4/4	204ms	11060 KiB
		10	Accepted	4/4	197ms	9780 KiB
		11	Accepted	4/4	180ms	8500 KiB
		12	Accepted	2/2	203ms	9268 KiB
		13	Accepted	2/2	300ms	18032 KiB
		14	Accepted	1/1	298ms	17716 KiB
		15	Accepted	1/1	266ms	17460 KiB
		16	Accepted	1/1	238ms	14248 KiB
		17	Accepted	1/1	212ms	9920 KiB
		18	Accepted	1/1	140ms	2100 KiB
		19	Accepted	1/1	130ms	1588 KiB