Submission #276788

#	Time	Username	Problem	Language	Result	Execution time	Memory
276788		sean9892	사냥꾼 (KOI13_hunter)	C++14	100 / 100	70 ms	4344 KiB

hunter

#include<bits/stdc++.h>
using namespace std;

int main(void){
	ios::sync_with_stdio(0);cin.tie(0);
	int m,n,l;
	cin>>m>>n>>l;
	vector<int> h(m),x(n),y(n);//hunter, animal
	for(int i=0;i<m;i++){
		cin>>h[i];
	}
	for(int i=0;i<n;i++){
		cin>>x[i]>>y[i];
	}
	sort(h.begin(),h.end());
	int cnt=0;
	for(int i=0;i<n;i++){
		if(l<y[i])continue;
		int lb=lower_bound(h.begin(),h.end(),x[i])-h.begin();
		int ub=lower_bound(h.begin(),h.end(),x[i])-h.begin();
		if(lb!=ub){
			cnt++;
		}
		else{
			for(int j=ub-3;j<ub+4;j++){
				if(j<0||j>=m)continue;
				if(abs(x[i]-h[j])+y[i]<=l){
					cnt++;
					break;
				}
			}
		}
	}
	cout<<cnt;
}

• Subtask 1: 10 / 10
• Subtask 2: 17 / 17
• Subtask 3: 21 / 21
• Subtask 4: 22 / 22
• Subtask 5: 30 / 30