Submission #888085

#	Time	Username	Problem	Language	Result	Execution time	Memory
888085		Maite_Morale	Exhibition (JOI19_ho_t2)	C++14	0 / 100	1 ms	2648 KiB

joi2019_ho_t2

#include<bits/stdc++.h>
#define F first
#define S second
#define MAX 500005
#define oo 1e18
#define mod 1000000007
#define fast_in ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);cout.setf(ios::fixed);cout.precision(0);
using namespace std;
typedef long long ll;
#define pll pair<ll , ll>
#define vll vector<ll>
#define vvll vector<vll>
#define vpll vector<pll>
 
ll t,n,b[MAX],m;
pll a[MAX];
int main(){
    fast_in
    cin>>n>>m;
    for(int i=0;i<n;i++){
        cin>>a[i].S>>a[i].F;
    }
    for(int i=0;i<n;i++){
        cin>>b[i];                             
    }
    sort(b,b+m);sort(a,a+n);
    ll h=m-1,r=0;
    for(int i=n-1;i>=0;i--){
        if(h>=0 && b[h]>=a[i].S){
            r++;h--;
        }
    }
    cout<<r<<"\n";
return 0;
}

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