Eroare de compilare: user.cpp:1:1: error: ‘include’ does not name a type include <bits/stdc++.h> ^~~~~~~ user.cpp:4:1: error: ‘ifstream’ does not name a type ifstream in("arbore3.in"); ^~~~~~~~ user.cpp:5:1: error: ‘ofstream’ does not name a type ofstream out("arbore3.out"); ^~~~~~~~ user.cpp:11:1: error: ‘vector’ does not name a type vector<int> gr[N_MAX + 2]; ^~~~~~ user.cpp:14:1: error: ‘map’ does not name a type map<int, int> freq; ^~~ user.cpp: In function ‘void dfs(int, int, int)’: user.cpp:18:8: error: ‘freq’ was not declared in this scope if(freq.find(sum - s) != freq.end()) ^~~~ user.cpp:20:5: error: ‘freq’ was not declared in this scope freq[sum]++; ^~~~ user.cpp:22:18: error: ‘gr’ was not declared in this scope for(auto it: gr[node]) ^~ user.cpp: In function ‘int main()’: user.cpp:33:5: error: ‘in’ was not declared in this scope in >> n >> s; ^~ user.cpp:39:9: error: ‘gr’ was not declared in this scope gr[x].push_back(i); ^~ user.cpp:42:5: error: ‘freq’ was not declared in this scope freq[0] = 1; ^~~~ user.cpp:45:5: error: ‘out’ was not declared in this scope out << ans << '\n'; ^~~