| # | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
|---|---|---|---|---|---|---|---|
| 1264538 | happyboy | Infinite Race (EGOI24_infiniterace2) | C++20 | 13 ms | 1224 KiB |
#include <bits/stdc++.h>
using namespace std;
int n,q,moses,a[200001],mx,prv,now[200001],cnt[200001],x[200001];
bool b[200001];
int main(){
ios::sync_with_stdio(false); cin.tie(0);
cin>>n>>q;
for(int i=1;i<=n;i++){
a[i]=-1e9;
}
for(int i=1;i<=q;i++){
cin>>moses;
if(moses>0){
if(a[moses]!=-1e9) mx=max(mx,a[moses]+1);
a[moses]=mx;
}
else{
a[abs(moses)]--;
mx=max(mx,a[moses]);
}
}
cout<<mx<<"\n";
return 0;
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