Submission #1180536

#	Time	Username	Problem	Language	Result	Execution time	Memory
1180536		user736482	Exhibition (JOI19_ho_t2)	C++20	100 / 100	40 ms	3772 KiB

joi2019_ho_t2

#pragma GCC optimize("O3")
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define ld long double
#define pb push_back
#define ff first
#define ss second
#define MOD 1000000009
#define INF 1000000019
#define INFL 1000000000000000099LL

ll n,q,s,t,a,b,c,d,ans,bst,k,e,m,pier,h,w,u;
vector<ll>v;    
vector<pair<ll,ll>>v2;
int main()
{
    ios_base::sync_with_stdio(0);cin.tie(0);
    cin>>n>>m;
    for(ll i=0;i<n;i++){
        cin>>a>>b;
        v2.pb({b,a});
    }
    for(ll i=0;i<m;i++){
        cin>>a;
        v.pb(a);
    }
    sort(v.begin(),v.end());
    sort(v2.begin(),v2.end());
    while(v.size() && v2.size()){
        if(v2.back().ss>v.back())v2.pop_back();
        else{
            ans++;
            v.pop_back();
            v2.pop_back();
        }
    }
    cout<<ans;
    
    
}

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