Submission #167362

#	Time	Username	Problem	Language	Result	Execution time	Memory
167362		theStaticMind	Exhibition (JOI19_ho_t2)	C++14	100 / 100	87 ms	6768 KiB

joi2019_ho_t2

#include<bits/stdc++.h>
#define mp make_pair
#define pb push_back
#define ii pair<int,int>
#define all(x) (x).begin(),(x).end()
#define INF 100000000000000000
#define modulo 1000000007
#define mod 998244353
#define int long long int
using namespace std;

int32_t main(){
      ios_base::sync_with_stdio(false);
      cin.tie(NULL);
   //   freopen("q.gir","r",stdin);
   //   freopen("q.cik","w",stdout);
      int n,m,ans=0;
      cin>>n>>m;
      vector<ii>A;
      vector<int>B;
      int ind=0;
      for(int i=0;i<n;i++){
            int x,y;
            cin>>x>>y;
            A.pb({y,x});
      }
      for(int i=0;i<m;i++){
            int x;
            cin>>x;
            B.pb(x);
      }
      sort(all(A),greater<ii>());
      sort(all(B),greater<int>());
      for(int i=0;i<m;i++){
            while(ind<n){
                  if(A[ind].second<=B[i])break;
                  else ind++;
            }
            if(ind<n)ans++;
            else break;
            ind++;
      }
      cout<<ans;
}

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