제출 #472345

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
472345		Ahmed_Solyman	Cipele (COCI18_cipele)	C++14	0 / 90	1100 ms	8128 KiB

cipele

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);      cout.tie(0);
    ll n,m;cin>>n>>m;
    vector<ll>a,b;
    for(ll i=0;i<n;i++){
        ll k;cin>>k;
        a.push_back(k);
    }
    for(ll i=0;i<m;i++){
        ll k;cin>>k;
        b.push_back(k);
    }
    if(n>m)swap(a,b);
    map<ll,bool>vis;
    ll ans=0;
    for(ll i=0;i<n;i++){
        ll mn=1e18;
        ll idx=0;
        for(ll j=0;j<m;j++){
            if(vis[j])continue;
            ll y=abs(a[i]-b[j]);
            if(y<mn){
                mn=y;
                idx=j;
            }
        }
        vis[idx]=1;
        ans=max(ans,mn);
    }
    cout<<ans<<endl;
    return 0;
}

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