제출 #1260098

#제출 시각아이디문제언어결과실행 시간메모리
12600982012silaInfinite Race (EGOI24_infiniterace2)C++20
29 / 100
10 ms1864 KiB
#include <bits/stdc++.h> using namespace std; int main() { ios::sync_with_stdio(false); cin.tie(nullptr); int n,q,ans=0,x; cin >> n >> q; vector <int> a(q); vector <int> b(q); while(q--){ cin >> x; if(x<0){ b[-x]=0; a[-x]=max(a[-x],ans); } else{ if(b[x]==1){ a[x]=max(a[x], ans-1); a[x]++; ans=max(ans, a[x]); } b[x]=1; } } cout << ans << "\n"; }
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