/**
* Author: Richw818
* Created: 02.16.2023 15:28:46
**/
#include <bits/stdc++.h>
using namespace std;
int total = 0;
int center = -1, traffic = INT_MAX;
vector<vector<int>> adj;
vector<int> costs;
int dfs(int n, int p){
int most = 0, totalChild = 0;
for(int next : adj[n]){
if(next != p){
int val = dfs(next, n);
most = max(most, val);
totalChild += most;
}
}
totalChild += costs[n];
most = max(most, total - totalChild);
if(most < traffic){
center = n;
traffic = most;
}
return totalChild;
}
int LocateCentre(int n, vector<int> p, vector<int> s, vector<int> d){
adj.resize(n);
costs = p;
total = accumulate(p.begin(), p.end(), 0);
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);
return center;
}
// int main(){
// ios_base::sync_with_stdio(false);
// cin.tie(nullptr);
// return 0;
// }
Compilation message
/usr/bin/ld: /tmp/ccLUEBZm.o: in function `main':
grader.cpp:(.text.startup+0xe1): undefined reference to `LocateCentre(int, int*, int*, int*)'
collect2: error: ld returned 1 exit status
