Compilare: user.cpp: In function ‘void cerinta_1()’: user.cpp:37:9: warning: unused variable ‘val’ [-Wunused-variable] int val=0,maxi=0,nr,i,j; ^ user.cpp:37:15: warning: unused variable ‘maxi’ [-Wunused-variable] int val=0,maxi=0,nr,i,j; ^ user.cpp:37:22: warning: unused variable ‘nr’ [-Wunused-variable] int val=0,maxi=0,nr,i,j; ^