제출 #1059655

#제출 시각아이디문제언어결과실행 시간메모리
1059655tolbi가장 긴 여행 (IOI23_longesttrip)C++17
15 / 100
176 ms504 KiB
#include "longesttrip.h" #include <bits/stdc++.h> using namespace std; //bool are_connected(std::vector<int> A, std::vector<int> B); bool sor(int x, int y){ std::vector<int> ilk; std::vector<int> iki; ilk.push_back(x); iki.push_back(y); return are_connected(ilk,iki); } std::vector<int> longest_trip(int N, int D) { std::vector<int> ans; ans.push_back(0); std::vector<bool> vis(N,false); vis[0]=true; while (ans.size()<N-1){ for (int i = 0; i < N; i++){ if (vis[i]) continue; if (sor(ans.back(),i)){ ans.push_back(i); vis[i]=true; break; } } } int kalan = -1; for (int i = 0; i < N; i++){ if (!vis[i]){ kalan=i; break; } } if (kalan==-1) return ans; else { if (sor(ans[0],kalan)){ reverse(ans.begin(), ans.end()); ans.push_back(kalan); reverse(ans.begin(), ans.end()); } else { ans.push_back(kalan); } } return ans; }

컴파일 시 표준 에러 (stderr) 메시지

longesttrip.cpp: In function 'std::vector<int> longest_trip(int, int)':
longesttrip.cpp:18:22: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   18 |     while (ans.size()<N-1){
      |            ~~~~~~~~~~^~~~
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