제출 #165491

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
165491		muhi1112	Cipele (COCI18_cipele)	C++17	0 / 90	300 ms	1772 KiB

cipele

#include <bits/stdc++.h>
using namespace std;
 
#define endl '\n'
#define f1 first
#define s2 second
#define pb push_back
#define mp make_pair
#define ll long long
#define fri(a) freopen(a,"r",stdin);
#define fro(a) freopen(a,"w",stdout);
const int N=405;

int n,m,a,ans;
vector<int>l,r;
int main(){
	//fri("in.txt");
	//fro("out.txt");
	cin>>n>>m;
	for(int i=0;i<n;i++){
		cin>>a;
		l.pb(a);
	}
	for(int i=0;i<m;i++){
		cin>>a;
		r.pb(a);
	}
	sort(l.begin(),l.end());
	sort(r.begin(),r.end());
	if(n<m){
		reverse(l.begin(),l.end());
		for(int i=0;i<n;i++){
			auto j=lower_bound(r.begin(),r.end(),l[i]);
			if(j==r.end())j--;
			ans=max(ans,abs(*j-l[i]));
			r.erase(j);
		}
	}
	else{
		reverse(r.begin(),r.end());
		for(int i=0;i<m;i++){
			auto j=lower_bound(l.begin(),l.end(),r[i]);
			if(j==l.end())j--;
			ans=max(ans,abs(*j-r[i]));
			l.erase(j);
		}
	}
	cout<<ans<<endl;
	return 0;
}

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