Compilare: main.cpp: In function 'int main()': main.cpp:9:13: warning: unused variable 'k' [-Wunused-variable] int n,b,k,i,j,mn,x,cj; ^ main.cpp:9:15: warning: unused variable 'i' [-Wunused-variable] int n,b,k,i,j,mn,x,cj; ^ main.cpp:9:17: warning: unused variable 'j' [-Wunused-variable] int n,b,k,i,j,mn,x,cj; ^ main.cpp:9:19: warning: unused variable 'mn' [-Wunused-variable] int n,b,k,i,j,mn,x,cj; ^~ main.cpp:9:22: warning: unused variable 'x' [-Wunused-variable] int n,b,k,i,j,mn,x,cj; ^ main.cpp:9:24: warning: unused variable 'cj' [-Wunused-variable] int n,b,k,i,j,mn,x,cj; ^~