Compilare: user.cpp: In function 'int check()': user.cpp:38: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'void eliminare(int, int)': user.cpp:52: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'void elimpar()': user.cpp:61: warning: comparison between signed and unsigned integer expressions user.cpp:63: warning: array subscript has type 'char' user.cpp:66: warning: array subscript has type 'char' user.cpp: In function 'void pozitie(int)': user.cpp:110: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'void prelucrare()': user.cpp:120: warning: comparison between signed and unsigned integer expressions user.cpp:118: warning: unused variable 'poz2' /tmp/ccS03ikW.o: In function `main': user.cpp:(.text+0x6c3): warning: the `gets' function is dangerous and should not be used.