Compilare: main.cpp: In function 'void bkt(long long unsigned int, long long unsigned int)': main.cpp:20:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(poz>n) ~~~^~ main.cpp:28:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<=nr[poz];i++) ~^~~~~~~~~ main.cpp:19:11: warning: unused variable 'j' [-Wunused-variable] int i,j; ^ main.cpp: In function 'int main()': main.cpp:34:11: warning: unused variable 'j' [-Wunused-variable] int i,j; ^