제출 #1273248

#제출 시각아이디문제언어결과실행 시간메모리
1273248silence25Infinite Race (EGOI24_infiniterace2)C++20
0 / 100
76 ms9620 KiB
#include "bits/stdc++.h" using namespace std; map<int,int>m; int main(){ int n; cin>>n; int q; cin>>q; while(q--){ int x; cin>>x; if(x > 0){ m[x] ++; }else{ x = abs(x); m[x] --; } } cout<<max(0,m[1]-1); }
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