Compilare: user.cpp: In function ‘void citire()’: user.cpp:41:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0; j<=strlen(x); j++) ^ user.cpp: In function ‘int lee(int, int, int)’: user.cpp:95:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘void cer2()’: user.cpp:99:6: warning: statement has no effect [-Wunused-value] 1; ^