Compilare: user.cpp: In function 'void coboara(unsigned int)': user.cpp:27: warning: comparison between signed and unsigned integer expressions user.cpp:31: warning: comparison between signed and unsigned integer expressions user.cpp:34: warning: comparison between signed and unsigned integer expressions /tmp/ccJERHeA.o: In function `main': user.cpp:(.text+0x3cd): warning: the `gets' function is dangerous and should not be used.