func_code_string: #include <bits/stdc++.h>   using namespace std;   int nvertices, nedges;   vector<vector<pair<int, int>>> adjList(110);   vector<bool> visited;   void dfs(int u, int c) {     visited[u] = true;     for (auto e : adjList[u]) {       if (!visited[e.first] && (e.second == c)) {         dfs(e.first, c);       }     }   }   int main() {     cin >> nvertices >> nedges;     for (int i = 0; i < nedges; i++) {       int u, v, c;       cin >> u >> v >> c;       adjList[u].push_back({v, c});       adjList[v].push_back({u, c});     }     int m;     cin >> m;     while (m--) {       int u, v;       cin >> u >> v;       set<int> ans;       for (auto e : adjList[u]) {         visited.assign(110, false);         visited[u] = true;         dfs(e.first, e.second);         if (visited[v] == true) ans.insert(e.second);       }       cout << ans.size() << endl;     }     return 0;   }   