제출 #1188312

#제출 시각아이디문제언어결과실행 시간메모리
1188312qs1Infinite Race (EGOI24_infiniterace2)C++17
100 / 100
65 ms1984 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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