제출 #854192

#제출 시각아이디문제언어결과실행 시간메모리
854192nnin기지국 (IOI20_stations)C++14
100 / 100
507 ms1556 KiB
#include "stations.h" #include<bits/stdc++.h> using namespace std; vector<int> tmp, adj[1005]; int num; void dfs(int cur, int prev, bool mx) { if(!mx) tmp[cur] = num++; for(int next:adj[cur]) { if(next==prev) continue; dfs(next, cur, !mx); } if(mx) tmp[cur] = num++; } std::vector<int> label(int n, int k, std::vector<int> u, std::vector<int> v) { std::vector<int> labels(n); tmp.resize(n); num = 0; for(int i=0;i<n;i++) adj[i].clear(); for(int i=0;i<n-1;i++) { adj[u[i]].push_back(v[i]); adj[v[i]].push_back(u[i]); } dfs(0, -1, 0); for(int i=0;i<n;i++) labels[i] = tmp[i]; return labels; } int find_next_station(int s, int t, std::vector<int> c) { if(s<c[0]) { if(t<s) return c[c.size()-1]; for (int i=0;i<c.size()-1;i++) if(t<=c[i]) return c[i]; return c[c.size()-1]; } else { if(t>s) return c[0]; for (int i=c.size()-1;i>=1;i--) if(t>=c[i]) return c[i]; return c[0]; } }

컴파일 시 표준 에러 (stderr) 메시지

stations.cpp: In function 'int find_next_station(int, int, std::vector<int>)':
stations.cpp:34:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   34 |   for (int i=0;i<c.size()-1;i++) if(t<=c[i]) return c[i];
      |                ~^~~~~~~~~~~
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