제출 #1148236

#제출 시각아이디문제언어결과실행 시간메모리
1148236Jawad_Akbar_JJInfinite Race (EGOI24_infiniterace2)C++20
100 / 100
59 ms1204 KiB
#include <iostream> using namespace std; int Pos[200005]; int main(){ int n, m, cur = 1, x, Ans = 0; cin>>n>>m; for (int i=1;i<=m;i++){ cin>>x; if (x < 0) Pos[-x] = 0; else{ if (Pos[x] == cur) Ans++, cur++; Pos[x] = cur; } } cout<<Ans<<'\n'; }
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