Submission #1310355

#TimeUsernameProblemLanguageResultExecution timeMemory
1310355bahaktlExhibition (JOI19_ho_t2)C++20
0 / 100
0 ms332 KiB
#include <bits/stdc++.h>

#define int long long 
#define pb push_back
using namespace std;

const int N=2e5+10;
const int inf=5e18;
const int mod=1e9+7;

pair<int,int>a[N];

int c[N];



signed main() {
    ios_base::sync_with_stdio(NULL);
    cin.tie(NULL);
    int T=1;
    // cin>>T;
    while(T--) {
        int n,m;
        cin>>n>>m;
        for(int i=1;i<=n;i++) {
            cin>>a[i].second>>a[i].first;
        }
        sort(a+1,a+n+1);
        for(int i=1;i<=m;i++) cin>>c[i];
        sort(c+1,c+m+1);
        int ans=0;
        for(int i=1,j=1;i<=n && j<=m;j++,i++) {
            if(a[i].second>c[j]) ans++; 
        }
        cout<<ans<<"\n";
    }
}
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