Compilare: user.cpp: In function 'void cauta(long int, long int, long int, long int&)': user.cpp:52: warning: comparison between signed and unsigned integer expressions user.cpp:54: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'long int cauta2(long int)': user.cpp:62: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'void moveDown(long int)': user.cpp:71: warning: comparison between signed and unsigned integer expressions user.cpp:75: warning: comparison between signed and unsigned integer expressions user.cpp:79: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'void stergere(long int)': user.cpp:99: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'long int cauta2(long int)': user.cpp:65: warning: control reaches end of non-void function