Compilare: user.cpp: In function ‘int main()’: user.cpp:8:9: warning: unused variable ‘l’ [-Wunused-variable] int n,i,l,j,m,k,p,a[20000],b[20000],s=0,max=0,max1=0,c=0; ^ user.cpp:8:15: warning: unused variable ‘k’ [-Wunused-variable] int n,i,l,j,m,k,p,a[20000],b[20000],s=0,max=0,max1=0,c=0; ^ user.cpp:8:17: warning: unused variable ‘p’ [-Wunused-variable] int n,i,l,j,m,k,p,a[20000],b[20000],s=0,max=0,max1=0,c=0; ^