제출 #871330

#제출 시각아이디문제언어결과실행 시간메모리
871330andrei_boaca기지국 (IOI20_stations)C++17
8 / 100
587 ms860 KiB
#include "stations.h" #include <bits/stdc++.h> #include <vector> //#include "stub.cpp" using namespace std; vector<int> muchii[1005]; bool use[1005]; int n,k; vector<int> ord; void dfs(int nod) { use[nod]=1; ord.push_back(nod); for(int i:muchii[nod]) if(!use[i]) dfs(i); } std::vector<int> label(int N, int K, std::vector<int> u, std::vector<int> v) { n=N; k=K; vector<int> L; L.resize(n); ord.clear(); for(int i=0;i<n;i++) { use[i]=0; muchii[i].clear(); } for(int i=0;i<u.size();i++) { int a=u[i]; int b=v[i]; muchii[a].push_back(b); muchii[b].push_back(a); } for(int i=0;i<n;i++) L[i]=i; return L; } int find_next_station(int s, int t, std::vector<int> c) { if(s<t) { while(true) { for(int j:c) if(j==t) return j; if(t==0) break; t=(t-1)/2; } } return (s-1)/2; }

컴파일 시 표준 에러 (stderr) 메시지

stations.cpp: In function 'std::vector<int> label(int, int, std::vector<int>, std::vector<int>)':
stations.cpp:30:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   30 |     for(int i=0;i<u.size();i++)
      |                 ~^~~~~~~~~
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