Submission #270269

#TimeUsernameProblemLanguageResultExecution timeMemory
270269shinjanTraffic (IOI10_traffic)C++14
Compilation error
0 ms0 KiB
#include <iostream> #include <bits/stdc++.h> #define maxN 1000001 using namespace std; vector<int> drvo[maxN]; int subtree[maxN]; int fans[maxN]; pair<int,int> ans={-1,INT_MAX}; int dfs(int v,int par) { int sz=fans[v]; for(int x:drvo[v]) { if(x!=par) { sz+=dfs(x,v); } } subtree[v]=sz; return sz; } void reshi(int v,int par) { int lokal=0; if(par!=-1) { lokal=subtree[par]-subtree[v]; } for(int x:drvo[v]) { if(x!=par) { lokal=max(lokal,subtree[x]); } } if(lokal<ans.second) { ans.second=lokal; ans.first=v; } for(int x:drvo[v]) { if(x!=par) { reshi(x,v); } } } int LocateCenter(int n,int p[],int s[],int d[]) { for(int i=0;i<n-1;i++) { drvo[s[i]].push_back(d[i]); drvo[d[i]].push_back(s[i]); } for(int i=0;i<n;i++) { fans[i]=p[i]; } dfs(0,-1); reshi(0,-1); return ans.first; }

Compilation message (stderr)

/tmp/cchk89KB.o: In function `main':
grader.cpp:(.text.startup+0xad): undefined reference to `LocateCentre(int, int*, int*, int*)'
collect2: error: ld returned 1 exit status