제출 #1301999

#제출 시각아이디문제언어결과실행 시간메모리
1301999yus1f_mTable Tennis (info1cup20_tabletennis)C++20
9 / 100
3095 ms2560 KiB
#pragma GCC optimize("O3") #include <bits/stdc++.h> #define ll long long #define str string #define pb push_back #define pf push_front #define in insert #define all(v) v.begin(),v.end() #define fastIO ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); const int sz=1000000,INF=1000000000; using namespace std; bool f(vector<ll>nums) { ll sum=0; bool flag1=false,flag2=false,flag3=false; set<ll>Nums; map<ll,ll>counts; for(int i=0;i<nums.size();i++) { sum+=nums[i]; } if(sum%(nums.size()/2)==0) { for(int i=0;i<nums.size();i++) { if(nums[i]>sum/(nums.size()/2)) { flag1=true; break; } } if(!flag1) { for(int i=0;i<nums.size();i++) { Nums.in(nums[i]); } for(auto num:Nums) { if(Nums.find(sum/(nums.size()/2)-num)==Nums.end()) { flag2=true; break; } } if(!flag2) { for(int i=0;i<nums.size();i++) { counts[nums[i]]++; } for(int i=0;i<nums.size();i++) { if(nums[i]!=sum/(nums.size()/2)-nums[i]) { if(counts[nums[i]]!=counts[sum/(nums.size()/2)-nums[i]]) { flag3=true; break; } } else { if(counts[nums[i]]%2!=0) { flag3=true; break; } } } if(!flag3) { return true; } else { return false; } } else { return false; } } else { return false; } } else { return false; } } void solve() { ll n,m,num; cin>>n>>m; vector<ll>nums,res,ans; for(int i=0;i<n+m;i++) { cin>>num; nums.pb(num); } for(int i=1;i<pow(2,nums.size());i++) { res.clear(); for(int j=0;j<nums.size();j++) { if(i&(ll)pow(2,j)) { res.pb(nums[j]); } } if(res.size()>=2 && res.size()%2==0) { if(f(res) && nums.size()-res.size()==m) { ans=res; break; } } } for(int i=0;i<ans.size();i++) { cout<<ans[i]<<" "; } } int main() { fastIO; ll t=1; //cin>>t; while(t--) { solve(); } }
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