Submission #845000

#	Time	Username	Problem	Language	Result	Execution time	Memory
845000		jamkel19	Table Tennis (info1cup20_tabletennis)	C++14	20 / 100	16 ms	2904 KiB

tabletennis

#include <bits/stdc++.h>
using namespace std;
#define st first
#define nd second
typedef long long ll;
int main()
{
    ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
    int n,k;
    cin>>n>>k;
    int N=n+k;
    vector<int>a(N);
    for(int i=0;i<N;i++)
    {
        cin>>a[i];
    }
    for(int i=0;i<k+1;i++)
    {
        for(int j=0;j+i<k+1;j++)
        {
            int ile=1,co=a[i]+a[N-j-1];
            vector<int>b(n);
            b[0]=a[i];
            b[n-1]=a[N-j-1];
            for(int o=i+1;o<N-j-2;o++)
            {
                int start=o+1,meta=N-j-2,s=(start+meta/2);
                    while(start<meta)
                    {
                        if(a[s]+a[o]==co)
                        {
                            break;
                        }
                        if(a[s]+a[o]>co)
                        {
                            meta=s;
                        }
                        if(a[s]+a[o]<co)
                        {
                            start=s+1;
                        }
                        s=(start+meta)/2;
                    }
                    if(a[s]+a[o]==co)
                    {
                        b[ile]=a[o];
                        b[n-1-ile]=a[s];
                        ile++;
                    }
                    if(ile==n/2)
                    {
                        break;
                    }
            }
            if(ile==n/2)
            {
                for(int w=0;w<n;w++)
                {
                    cout<<b[w]<<" ";
                }
                cout<<endl;
                return 0;
            }
        }
    }
}

• Subtask 1: 11 / 11
• Subtask 2: 0 / 9
• Subtask 3: 0 / 14
• Subtask 4: 0 / 15
• Subtask 5: 9 / 9
• Subtask 6: 0 / 14
• Subtask 7: 0 / 15
• Subtask 8: 0 / 13