Compilare: user.cpp: In function ‘void golire()’: user.cpp:24:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(max1<=stiva.size()) ^ user.cpp: In function ‘int lungmax()’: user.cpp:59:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int citire()’: user.cpp:20:1: warning: control reaches end of non-void function [-Wreturn-type] } ^