제출 #574718

#제출 시각아이디문제언어결과실행 시간메모리
574718luka1234Exhibition (JOI19_ho_t2)C++14
0 / 100
0 ms212 KiB
#include <bits/stdc++.h> #define ll long long #define ff first #define ss second #define db double using namespace std; int n,m; pair<int,int> a[100001]; int b[100001]; int main(){ cin>>n>>m; for(int k=1;k<=n;k++){ cin>>a[k].ss>>a[k].ff; } for(int k=1;k<=m;k++){ cin>>b[k]; } sort(b+1,b+m+1); int bolo=m; int cnt=0; for(int k=n;k>=1;k--){ if(a[k].ss<=b[bolo]){ cnt++; bolo--; } } cout<<cnt; return 0; }
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