Compilare: user.cpp: In function ‘int cautauser(char*)’: user.cpp:56:10: warning: unused variable ‘j’ [-Wunused-variable] int i=0,j=0,m,nruser; ^ user.cpp:56:14: warning: unused variable ‘m’ [-Wunused-variable] int i=0,j=0,m,nruser; ^ user.cpp:56:16: warning: unused variable ‘nruser’ [-Wunused-variable] int i=0,j=0,m,nruser; ^ /tmp/cczypmPD.o: In function `citireinitiala()': user.cpp:(.text+0xe5): warning: the `gets' function is dangerous and should not be used.