제출 #128774

#제출 시각아이디문제언어결과실행 시간메모리
128774miguelExhibition (JOI19_ho_t2)C++14
100 / 100
71 ms5120 KiB
#include<bits/stdc++.h>
using namespace std;
#define rc(x) return cout<<x<<endl,0
#define pb push_back
#define dbg(x) cout << #x << '=' << x << '\n';
#define ll long long
#define sz size()
#define x first
#define y second
#define pi pair <int, int>
#define pii pair <int, pi>
#define vi vector <int>
const ll mod = 1e9 + 7;
int n, m, ans;
vector <pi> t;
vector <int> r;
int dp[5001][5001];

int32_t main(){
    ios_base :: sync_with_stdio(0); cin.tie(); cout.tie();
    cin>>n>>m;
    t.pb({-1, -1});
    r.pb(-1);
    //for(int i=1; i<=n; i++) dp[i]=1;
    for(int i=1; i<=n; i++){
        int s, v;
        cin>>s>>v;
        t.pb({v, s});
    }
    sort(t.begin(), t.end());
    for(int i=1; i<=m; i++){
        int x;
        cin>>x;
        r.pb(x);
    }
    sort(t.begin(), t.end());
    sort(r.begin(), r.end());
    int ans=m;
    for(int i=n; i>=1; i--){
        if(ans && t[i].y<=r[ans]) ans--;
    }
    cout<<(m-ans);
}
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