Compilare: user.cpp: In function ‘int main()’: user.cpp:13:9: warning: unused variable ‘maxca’ [-Wunused-variable] int maxca=0,n,i,nr,p2c,l,p2f,ok=0,r,lfin,p2; ^ user.cpp:14:10: warning: unused variable ‘a’ [-Wunused-variable] char a=0,ap=0,fin; ^ user.cpp:14:14: warning: unused variable ‘ap’ [-Wunused-variable] char a=0,ap=0,fin; ^ user.cpp:14:19: warning: unused variable ‘fin’ [-Wunused-variable] char a=0,ap=0,fin; ^