Compilare: user.cpp: In function ‘int main()’: user.cpp:12:21: warning: unused variable ‘dif’ [-Wunused-variable] int nr1=0,nr2=0,dif=0,a,b,sol=0,aux=0,bux=0, dif_precedenta,min=0; ^ user.cpp:12:31: warning: unused variable ‘sol’ [-Wunused-variable] int nr1=0,nr2=0,dif=0,a,b,sol=0,aux=0,bux=0, dif_precedenta,min=0; ^ user.cpp:12:37: warning: unused variable ‘aux’ [-Wunused-variable] int nr1=0,nr2=0,dif=0,a,b,sol=0,aux=0,bux=0, dif_precedenta,min=0; ^ user.cpp:12:43: warning: unused variable ‘bux’ [-Wunused-variable] int nr1=0,nr2=0,dif=0,a,b,sol=0,aux=0,bux=0, dif_precedenta,min=0; ^ user.cpp:12:50: warning: unused variable ‘dif_precedenta’ [-Wunused-variable] int nr1=0,nr2=0,dif=0,a,b,sol=0,aux=0,bux=0, dif_precedenta,min=0; ^