Compilare: main.cpp: In function 'int main()': main.cpp:276:15: warning: unused variable 'm' [-Wunused-variable] 276 | int n,m,op; | ^ main.cpp:276:17: warning: unused variable 'op' [-Wunused-variable] 276 | int n,m,op; | ^~ main.cpp: In constructor 'Disjoint_set::Disjoint_set(int)': main.cpp:95:21: warning: '*<unknown>.Disjoint_set::noduri' is used uninitialized in this function [-Wuninitialized] 95 | this-> noduri = noduri; | ^~~~~~ main.cpp: In member function 'void Disjoint_set::solve_paduri_de_multimi_disjuncte(std::ifstream&, std::ofstream&, std::vector<int>&, std::vector<int>&)': main.cpp:84:9: warning: 'op' may be used uninitialized in this function [-Wmaybe-uninitialized] 84 | if(op == 1) | ^~ main.cpp:85:18: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized] 85 | unite(x,y,tati,rang); | ~~~~~^~~~~~~~~~~~~~~ main.cpp:85:18: warning: 'y' may be used uninitialized in this function [-Wmaybe-uninitialized]