Compilare: user.cpp: In function ‘int Good(int)’: user.cpp:9:9: warning: unused variable ‘j’ [-Wunused-variable] { int i,j,init; ^ user.cpp:9:11: warning: unused variable ‘init’ [-Wunused-variable] { int i,j,init; ^ user.cpp: In function ‘void Read()’: user.cpp:24:11: warning: variable ‘mn’ set but not used [-Wunused-but-set-variable] { int i,t,mn; ^ user.cpp: In function ‘int main()’: user.cpp:41:7: warning: unused variable ‘i’ [-Wunused-variable] { int i; ^