Submission #786143

#	Time	Username	Problem	Language	Result	Execution time	Memory
786143		makanhulia	Exhibition (JOI19_ho_t2)	C++17	0 / 100	1 ms	212 KiB

joi2019_ho_t2

#include <bits/stdc++.h>
#define int long long
#define fi first
#define se second
#define keish                             ios_base::sync_with_stdio(0);       cin.tie(0); cout.tie(0)
      
using namespace std;

int n, m;

signed main(){
      keish;
      cin >> n >> m;
      vector<pair<int ,int>> a(n);
      for(int i = 0; i < n; i++) cin >> a[i].se >> a[i].fi;
      vector<int> c(m);
      for(int i = 0; i < n; i++) cin >> c[i];

      sort(a.begin(), a.end());
      sort(c.begin(), c.end());

      int prv = 0, ans = 0;
      for(int i = 0; i < n; i++){
            if(prv < a[i].se){
                  prv = a[i].se;
                  ans++;
            }
      }
      
      cout << ans << '\n';
}     

// 1  5
// 5  3
// 20 10

• Subtask 1: 0 / 10
• Subtask 2: 0 / 40
• Subtask 3: 0 / 50