Compilare: user.cpp: In function ‘void Preluare_Si_Interpretare_Date()’: user.cpp:45:15: warning: unused variable ‘z’ [-Wunused-variable] int i, x, y, z; ^ user.cpp:48:12: warning: unused variable ‘inf’ [-Wunused-variable] const int inf = 2000000000; ^~~ user.cpp: In function ‘void Prim()’: user.cpp:120:14: warning: ‘aux.pereche::dist_min’ may be used uninitialized in this function [-Wmaybe-uninitialized] cost_total += aux.dist_min; ~~~~~~~~~~~^~~~~~~~~~~~~~~ user.cpp:115:14: warning: ‘aux.pereche::nod’ may be used uninitialized in this function [-Wmaybe-uninitialized] if (poz > n&&poz <= n + m) nr++; ~~~~~~~^~~~~~~~~~~~~~