제출 #17593

#제출 시각아이디문제언어결과실행 시간메모리
17593comet사냥꾼 (KOI13_hunter)C++98
100 / 100
71 ms2580 KiB
#include<iostream>
#include<algorithm>
using namespace std;
typedef long long ll;
ll M,N,L,a[111111];
int main(){
	ios::sync_with_stdio(0);
	cin>>M>>N>>L;
	for(int i=0;i<M;i++)cin>>a[i];
	sort(a,a+M);
	int x,y,l,r,ans=0;
	for(int i=0;i<N;i++){
		cin>>x>>y;
		l=x-L+y;
		r=x+L-y;
		l=lower_bound(a,a+M,l)-a;
		r=upper_bound(a,a+M,r)-a;
		if(l>=r)continue;
		ans++;
	}
	cout<<ans;
}
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