Compilare: user.cpp: In function ‘int main()’: user.cpp:10:23: warning: unused variable ‘a’ [-Wunused-variable] int n,t[2001],i,j,a,b,c,s; ^ user.cpp:10:25: warning: unused variable ‘b’ [-Wunused-variable] int n,t[2001],i,j,a,b,c,s; ^ user.cpp:10:27: warning: unused variable ‘c’ [-Wunused-variable] int n,t[2001],i,j,a,b,c,s; ^ user.cpp:10:29: warning: unused variable ‘s’ [-Wunused-variable] int n,t[2001],i,j,a,b,c,s; ^