Compilare: user.cpp: In function 'void explorare(int, Nod*)': user.cpp:314: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'void Tarjan(Nod*)': user.cpp:341: warning: unused variable 'j' user.cpp: In function 'void Dijkstra(Nod*, int**, int, int, bool*, int**)': user.cpp:471: warning: comparison between signed and unsigned integer expressions user.cpp:464: warning: unused variable 'p' user.cpp: In function 'int main()': user.cpp:545: warning: unused variable 't'