제출 #406535

#제출 시각아이디문제언어결과실행 시간메모리
406535benkTraffic (IOI10_traffic)C++14
컴파일 에러
0 ms0 KiB
#include "traffic.h" #include <bits/stdc++.h> using namespace std; const int MX = 1e6; const int INF = 2e9 + 1; int fans = 0; vector<int> adj[MX], nodes(MX), people(MX), children(MX); void dfs (int v, int parent) { for (auto x: g[v]) { if (x == parent) continue; dfs(x, v); children[v] += children[x]; people[v] = max(people[v], children[x]); } people[v] = max(people[v], fans - children[v] - nodes[v]); children[v] += nodes[v]; } int LocateCentre (int n, int p[], int d[], int s[]) { for (int i = 0; i < n; i++) { fans += p[i]; nodes[i] = p[i]; } for (int i = 0; i < n - 1; i++) { adj[s[i]].push_back(d[i]); adj[d[i]].push_back(s[i]); } dfs(0, -1); int sol = INF, res = -1; for (int i = 0; i < n; i++) { if (people[i] < sol) { res = i; sol = people[i]; } } return res; }

컴파일 시 표준 에러 (stderr) 메시지

traffic.cpp: In function 'void dfs(int, int)':
traffic.cpp:14:15: error: 'g' was not declared in this scope
   14 |  for (auto x: g[v]) {
      |               ^