# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
366035 | soba | Table Tennis (info1cup20_tabletennis) | C++14 | 248 ms | 30212 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#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 , k;
cin >> n >> k ;
ll teams=n/2;
vector<ll>v;
ll x , y ;
n+=k;
map<ll,ll>mp , occ;
for(int i = 0 ; i < n ; i++)
{
cin >> x;
mp[x]++;
v.push_back(x);
}
sort(v.begin(), v.end());
vector<ll>poten;
set<ll>ss;
for(int i = 0 ; i< 2*k ; i++)
{
for( int j = n-1; j >= n-(2*k) ; j-- )
{
ss.insert(v[i]+v[j]);
occ[v[i]+v[j]]++;
}
}
ll ansss;
ll tmp=teams;
for(ll u : ss)
{
if(occ[u]==k)
{
ansss=u;
break;
}
}
vector<ll>ansa;
ll cnt;
for(int j = 0 ; v[j]<n ; j++ )
{
if(mp[ansss-v[j]])
{
teams--;
ansa.push_back(ansss-v[j]);
ansa.push_back(v[j]);
}
if(teams==0)
break;
}
// cout << ansa[0] << "\n";
// cout << ansa.size() << "\n";
sort( ansa.begin() , ansa.end());
for(int i = 0 ; i < tmp*2 ; i++)
{
cout << ansa[i] << " " ;
}
return 0;
}
Compilation message (stderr)
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