Compilare: user.cpp: In function ‘void Read()’: user.cpp:21:42: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j = 0 ; j < strlen(a[i]);j++) ^ user.cpp: In function ‘void Rezolvare()’: user.cpp:39:15: warning: variable ‘ok’ set but not used [-Wunused-but-set-variable] int i,j,q,ok,m,poz,qq,k,x,z; ^ user.cpp:39:18: warning: variable ‘m’ set but not used [-Wunused-but-set-variable] int i,j,q,ok,m,poz,qq,k,x,z; ^