제출 #718175

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
718175		vjudge1	Table Tennis (info1cup20_tabletennis)	C++17	0 / 100	3083 ms	391228 KiB

tabletennis

#include "bits/stdc++.h"
#define ll long long
#define pb push_back
#define endl '\n'
#define fi first
#define sec second
using namespace std;

int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(NULL);
    cout.tie(NULL);

    ll n,k;
    cin>>n>>k;
    map<ll,vector<ll>>mp;
    ll arr[n+k];
    ll cnt=0;
    for(int i=0;i<n+k;i++)
    {
      cin>>arr[i];
      if(i)
        for(int j=0;j<i;j++)
        {
          mp[arr[i]+arr[j]].pb(arr[i]);
          mp[arr[i]+arr[j]].pb(arr[j]);
          if(mp[arr[i]+arr[j]].size()>cnt)cnt=arr[i]+arr[j];
        }
    }
    vector<ll>ans;
    for(auto u:mp[cnt])ans.pb(u);
    sort(ans.begin(),ans.end());
    for(auto u:ans)cout<<u<<' ';
    return 0;
}
/*

*/

컴파일 시 표준 에러 (stderr) 메시지

tabletennis.cpp: In function 'int main()':
tabletennis.cpp:28:38: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
   28 |           if(mp[arr[i]+arr[j]].size()>cnt)cnt=arr[i]+arr[j];
      |              ~~~~~~~~~~~~~~~~~~~~~~~~^~~~

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