# | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
---|---|---|---|---|---|---|---|
1188312 | qs1 | Infinite Race (EGOI24_infiniterace2) | C++17 | 65 ms | 1984 KiB |
#include<bits/stdc++.h>
using namespace std;
#define lli long long int
int main(){
lli x,y,a,l=0;
cin>>x>>y;
vector<lli>v(x,-1);
while(y--){
cin>>a;
if(a<0){
a=-a;
v[a]=l-1;
}
else{
if(v[a]==l){
l++;
v[a]=l;
}
else{
v[a]=l;
}
}
}
cout<<l<<endl;
}
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