Compilare: main.cpp: In function 'int main()': main.cpp:53:15: warning: unused variable 'k' [-Wunused-variable] 53 | int n,i,j,k,l,m,q,nr,x,a,b; | ^ main.cpp:53:17: warning: unused variable 'l' [-Wunused-variable] 53 | int n,i,j,k,l,m,q,nr,x,a,b; | ^ main.cpp:53:23: warning: unused variable 'nr' [-Wunused-variable] 53 | int n,i,j,k,l,m,q,nr,x,a,b; | ^~