제출 #578371

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
578371	2022-06-16 13:11:36	SlavicG	기지국 (IOI20_stations)	C++17	100 / 100	952 ms	816 KiB

stations

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#include "stations.h"
#include "bits/stdc++.h"
using namespace std;
#define sz(a) (int)a.size()
const int N = 1000;
vector<int> adj[N];
int in[N], out[N], tt = 0, depth[N];
void dfs(int u, int par) {
    in[u] = tt++;
    for(int v: adj[u]) {
        if(v == par) continue;
        depth[v] = depth[u] ^ 1;
        dfs(v, u);
    }
    out[u] = tt++;
}
std::vector<int> label(int n, int k, std::vector<int> u, std::vector<int> v) {
  std::vector<int> labels(n);
  for(int i = 0; i < n; ++i) {
        adj[i].clear();
        tt = 0;
        out[i] = 0, in[i] = 0;
  }
  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);
  for (int i = 0; i < n; i++) {
 
 
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컴파일 시 표준 에러 (stderr) 메시지

stations.cpp: In function 'int find_next_station(int, int, std::vector<int>)':
stations.cpp:75:1: warning: control reaches end of non-void function [-Wreturn-type]
   75 | }
      | ^

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