제출 #994150

#제출 시각아이디문제언어결과실행 시간메모리
994150kachim2Table Tennis (info1cup20_tabletennis)C++17
0 / 100
3071 ms195720 KiB
#include <algorithm> #include <bits/stdc++.h> #include <cstdint> #include <vector> using namespace std; vector<pair<int, int>> check_balanced(vector<int> in, int val) { map<int, int> m; for (int i : in){ m[i]++; } vector<pair<int, int>> res; for (auto &[key, value] : m){ if(value!=0){ m[val-key]--; value--; res.emplace_back(key, val-key); } } return res; } int main() { int N, K; cin >> N >> K; vector<int> input(N+K); for(int i = 0; i < N+K; i++){ cin >> input[i]; } for(int i : input){ for(int j : input){ if(j!=i){ auto a = check_balanced(input, i+j); if(a.size()>=N/2){ vector<int> out; for(auto i : a){ out.push_back(i.first); out.push_back(i.second); } sort(out.begin(), out.end()); for(int i : out){ cout << i <<' '; } } } } } }

컴파일 시 표준 에러 (stderr) 메시지

tabletennis.cpp: In function 'int main()':
tabletennis.cpp:34:13: warning: comparison of integer expressions of different signedness: 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   34 |  if(a.size()>=N/2){
      |     ~~~~~~~~^~~~~
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