제출 #914647

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
914647		NValchanov	Table Tennis (info1cup20_tabletennis)	C++17	9 / 100	259 ms	6372 KiB

tabletennis

#include<bits/stdc++.h>

#define endl '\n'

using namespace std;

typedef long long ll;

const ll MAXN=1e5+5e4+10;
const ll MAXK=4e2+10;
const ll MAXA=1e9+10;

ll a[MAXN+MAXK],n,k,m;
vector<ll>ans;

void read()
{
    cin>>n>>k;
    m=n+k;
    for(ll i=1;i<=m;i++)
        cin>>a[i];
}

void print()
{
    sort(ans.begin(), ans.end());
    ll sz=ans.size();
    for(ll i=0;i<sz;i++)
    {
        cout<<ans[i]<<" ";
    }
    cout<<endl;
}

void solve()
{
    for(ll i=n/2;i<=n/2+k+1;i++)
    {
        ll cur=a[i]+a[i+1];
        ll left=1,right=n+k;
        ll cnt=0;
        while(left<right&&cnt<n/2)
        {
            ///cout<<"Lqwa granica : "<<left<<endl;
            while(left<right&&a[left]+a[right]>cur)
            {
                right--;
                ///cout<<"Dqsna granica : "<<right<<endl;
            }
            if(left<right&&a[left]+a[right]==cur)
            {
                ans.push_back(a[left]);
                ans.push_back(a[right]);
                ///cout<<"Nowo dobawqne na "<<left<<" i "<<right<<endl;
                cnt++;
            }
            left++;
        }
        if(cnt==n/2)
        {
            print();
            return;
        }
    }
}

int main()
{
    #ifdef ONLINE_JUDGE
    freopen(".in", "r", stdin);
    freopen(".out", "w", stdout);
#endif
	ios_base::sync_with_stdio(false);
	cin.tie(nullptr);
	cout.tie(nullptr);

    read();
    solve();

	return 0;
}

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