Compilare: main.cpp: In function 'int cbin(int)': main.cpp:9:12: warning: unused variable 'i' [-Wunused-variable] int pos=0,i; ^ main.cpp: In function 'int main()': main.cpp:17:21: warning: unused variable 'b' [-Wunused-variable] long long k,cop,b,i,l,m,c,sum=0; ^ main.cpp:17:25: warning: unused variable 'l' [-Wunused-variable] long long k,cop,b,i,l,m,c,sum=0; ^ main.cpp:17:31: warning: unused variable 'sum' [-Wunused-variable] long long k,cop,b,i,l,m,c,sum=0; ^~~