Submission #553897

#	Time	Username	Problem	Language	Result	Execution time	Memory
553897		AA_Surely	Exhibition (JOI19_ho_t2)	C++14	100 / 100	133 ms	4416 KiB

joi2019_ho_t2

#include "bits/stdc++.h"
using namespace std;
 
using ll = long long;
 
const int maxn=2e5+5;
int n,m;
 
int main(){
    cin >> n >> m;
    vector<pair<int,int>>a;

    for(int i = 0;i < n;i++){
        int s,v; cin >> s >> v;
        a.push_back({v,s});
    }

    vector<int>c(m);
    for(int i = 0;i < m;i++) cin >> c[i];

    sort(c.begin(),c.end());
    sort(a.begin(),a.end());
 
    int now = (int)c.size()-1;
    for(int i = (int)a.size()-1;i >= 0;i--){
        if(now < 0) break;
        if(a[i].second <= c[now]) now--;
    }

    cout<<(int)c.size()-now-1;
}

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