#include "friend.h"
#include <vector>
// meow meow meow mewo mrrow nya nya :3c
// go play vivid/stasis! it's very awesome gmae on steam
using namespace std;
vector<int> friends[10000];
pair<int, int> dfs(int i, int l, int confidence[]) {
int res1 = 0, res2 = 0;
for (int j : friends[i]) {
if (j == l) continue;
auto [a, b] = dfs(j, i, confidence);
if (a > res2) res2 = a;
if (b > res2) res2 = b;
if (b > res1) res1 = b;
}
return {res1 + confidence[i], res2};
}
int findSample(int n, int confidence[], int host[], int protocol[]) {
// if (n > 10) return 0;
for (int i = 1; i < n; i++) friends[host[i]].push_back(i), friends[i].push_back(host[i]);
auto [a, b] = dfs(0, -1, confidence);
return a > b ? a : b;
}
