Compilare: user.cpp: In function ‘int Optiune2()’: user.cpp:39:9: warning: variable ‘smax’ set but not used [-Wunused-but-set-variable] int smax,suma, i ,j; ^ user.cpp:39:14: warning: variable ‘suma’ set but not used [-Wunused-but-set-variable] int smax,suma, i ,j; ^ user.cpp:56:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In function ‘int Optiune1()’: user.cpp:23:12: warning: ‘i’ is used uninitialized in this function [-Wuninitialized] for(i=i; i<=n; i++) ^