Submission #125831

#	Time	Username	Problem	Language	Result	Execution time	Memory
125831		nvmdava	Exhibition (JOI19_ho_t2)	C++17	100 / 100	71 ms	1656 KiB

joi2019_ho_t2

#include <bits/stdc++.h>
using namespace std;

vector<int> f;
vector<pair<int, int> > v;

int main(){
   ios_base::sync_with_stdio(0);
   cin.tie(0);
   cout.tie(0);

   int n, m;
   cin>>n>>m;
   v.resize(n);
   f.resize(m);
   for(int i = 0; i < n; i++)
      cin>>v[i].second>>v[i].first;
   for(int i = 0; i < m; i++)
      cin>>f[i];

   sort(f.rbegin(), f.rend());
   sort(v.rbegin(), v.rend());

   int ans = 0;
   for(int i = 0; i < n; i++)
      if(ans < m && f[ans] >= v[i].second) ans++;

   cout<<ans;
}

• Subtask 1: 10 / 10
• Subtask 2: 40 / 40
• Subtask 3: 50 / 50