제출 #848395

#제출 시각아이디문제언어결과실행 시간메모리
848395BidoTeimaCat in a tree (BOI17_catinatree)C++17
컴파일 에러
0 ms0 KiB
#include <bits/stdc++.h> typedef long long ll; using namespace std; const int N = 1e3 + 3; vector<int>adj[N]; bool marked[N]; int sub[N],D; int lol=0,sz; int dfs_subtree(int node, int prev, int mxD){ sub[node] = 1; for(int child : adj[node]){ if(child != prev && !marked[child]){ sub[node] += dfs_subtree(child, node,mxD+1); } } return sub[node]; } int find_centroid(int node, int prev){ for(int child : adj[node]){ if(child != prev && !marked[child] && 2 * sub[child] > sz){ return find_centroid(child, node); } } return node; } int main() { ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); int n; cin>>n>>D; for(int i = 1; i < n; i++){ int x; cin>>x; adj[x].push_back(i); adj[i].push_back(x); } cout<<int(ceil(log(n)/log(d))); return 0; }

컴파일 시 표준 에러 (stderr) 메시지

catinatree.cpp: In function 'int main()':
catinatree.cpp:40:31: error: 'd' was not declared in this scope
   40 |     cout<<int(ceil(log(n)/log(d)));
      |                               ^