제출 #430342

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
430342	2021-06-16 13:02:48	dreezy	기지국 (IOI20_stations)	C++17	10 / 100	1230 ms	772 KiB

stations

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#include "stations.h"
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pb push_back
const int shift = 8;
vector<int> labels;
vector<vector<int>> graph;
vector<int> sz;
void dfs1(int n,int p){//calc sizes
  sz[n] = 1;
  for(int adj : graph[n])
  {
    if(adj == p) continue;
    dfs1(adj, n);
    sz[n] += sz[adj];
  }
}
vector<bool> vis;
int getcentroid(int n){
  dfs1(n, -1);
  vis[n] = true;
  
  for(int adj : graph[n]){
    if(!vis[adj] and sz[adj] >= sz.size()/2){
      //cout << adj<<": "<<sz[adj]<<endl;
 
 
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컴파일 시 표준 에러 (stderr) 메시지

stations.cpp: In function 'int getcentroid(int)':
stations.cpp:29:28: warning: comparison of integer expressions of different signedness: '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'} and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   29 |   if(!vis[adj] and sz[adj] >= sz.size()/2){

• Subtask 1: 0 / 5
• Subtask 2: 0 / 8
• Subtask 3: 0 / 16
• Subtask 4: 10 / 10
• Subtask 5: 0 / 61