제출 #1236375

#제출 시각아이디문제언어결과실행 시간메모리
1236375MarwenElarbiParking (CEOI22_parking)C++20
0 / 100
43 ms328 KiB
#include <bits/stdc++.h> using namespace std; #define fi first #define se second int main() { int n,m; cin>>n>>m; int ans=0; for (int i = 0; i < m; ++i) { int b,t; cin>>b>>t; if(b==0||t==0) continue; ans += (b!=t); } cout <<ans<<endl; }
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