Submission #717315

#	Time	Username	Problem	Language	Result	Execution time	Memory
717315		vjudge1	Table Tennis (info1cup20_tabletennis)	C++17	20 / 100	132 ms	31136 KiB

tabletennis

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define endl '\n'
#define F first
#define S second
#define pb push_back
#define all(a) a.begin(),a.end()
const int N=1e5;
const int off=(1<<20);
const int MOD = 1e9+7;


signed main(){
   ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
   int n,k;
   cin >> n >> k;
   int sz=n+k;
   int a[sz];
   map<int,int>mp;
   for(int i=0;i<sz;i++){
      cin >>a[i];
      mp[a[i]]++;
   }
   sort(a,a+sz);
   int f=a[sz/2]+a[sz/2-1],s=a[sz/2]+a[sz/2+1],t=a[0]+a[sz-1];
   int x=0,y=0,z=0;
   // cout<<f<<' '<<s << ' '<<t<<endl;
   for(int i=0;i<sz;i++){
      if(a[i]!=f-a[i]){
         if(!mp[f-a[i]]){
            if(x)x=-1;
            else x=a[i];
         }
      }
      else{
         x=a[i];
      }
      if(a[i]!=s-a[i]){
         if(!mp[s-a[i]]){
            if(y)z=-1;
            else y=a[i];
         }
      }
      else{
         y=a[i];
      }
      if(a[i]!=t-a[i]){
         if(!mp[t-a[i]]){
            if(z)z=-1;
            else z=a[i];
         }
      }
      else{
         z=a[i];
      }
   }
   int ans=max({z,x,y});
   for(int i=0;i<sz;i++){
      if(a[i]!=ans)cout<<a[i]<<' ';
   }
}
/*

*/

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