#include<bits/stdc++.h>
#include "grader.h"
using namespace std;
int dp[1000006], C[1000006] , tot;
vector <int> adj[1000005];
void dfs(int v,int p) {
dp[v] = 0;
int s = 0;
int r = 0;
for (int i:adj[v]) {
if (i != v) {
r++;
dfs (i,v);
s += dp[i] + C[i];
dp[v] = max(dp[v], dp[i] + C[i]);
}
}
}
int LocateCentre(int n,int P[],int S[],int D[]) {
for (int i = 0; i < n-1; i++)
adj[S[i]].push_back(D[i]),
adj[D[i]].push_back(S[i]),
C[i] = P[i], tot += C[i];
pair<int,int> ans = {INT_MAX,-1};
for (int i = 0; i < n; i++) {
dfs(i,-1);
ans = min(ans,{dp[i],i});
}
return ans.second;
}
Compilation message
traffic.cpp:2:10: fatal error: grader.h: No such file or directory
#include "grader.h"
^~~~~~~~~~
compilation terminated.
