제출 #1118549

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1118549		ElayV13	Table Tennis (info1cup20_tabletennis)	C++17	0 / 100	3104 ms	491948 KiB

tabletennis

#include <bits/stdc++.h>
using namespace std;

#define int long long
#define ld double


const int INF = 1e18;
const int mod = 12345;
const int sz = 1e6 + 5;

signed main()
{
   ios_base::sync_with_stdio(0);cin.tie(0);
   int n , k;
   cin >> n >> k;
   vector < int > a(n + k);
   for(int i = 0;i < n + k;i++) cin >> a[i];
   sort(a.begin() , a.end());
   int ls = (n / 2);
   map < int , int > m;
   int pos = -1;
   for(int i = 0;i < n + k - 1;i++)
   {
      bool f = 0;
      for(int j = i + 1;j < n + k;j++)
      {
         m[a[i] + a[j]]++;
         if(m[a[i] + a[j]] == ls)
         {
            f = 1;
            pos = a[i] + a[j];
            break;
         }
      }
      if(f) break;
   }
   vector < pair < int , int > > ans;
   for(int i = 0;i < n;i++)
   {
      if(ans.size() == n / 2) break;
      if(m[pos - a[i]] > 0) ans.push_back({a[i] , pos - a[i]});
   }
   for(int i = 0;i < ans.size();i++) cout << ans[i].first << ' ' << ans[i].second << ' ';
}

컴파일 시 표준 에러 (stderr) 메시지

tabletennis.cpp: In function 'int main()':
tabletennis.cpp:41:21: warning: comparison of integer expressions of different signedness: 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
   41 |       if(ans.size() == n / 2) break;
      |          ~~~~~~~~~~~^~~~~~~~
tabletennis.cpp:44:20: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   44 |    for(int i = 0;i < ans.size();i++) cout << ans[i].first << ' ' << ans[i].second << ' ';
      |                  ~~^~~~~~~~~~~~

• Subtask 1: 0 / 11
• Subtask 2: 0 / 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