Compilare: main.cpp: In function 'unsigned int log2(unsigned int)': main.cpp:55:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while ((1 << lg) < x) ~~~~~~~~~~^~~ main.cpp: In function 'void preprocessing()': main.cpp:75:12: warning: unused variable 'maximum' [-Wunused-variable] unsigned maximum = 0; ^~~~~~~ main.cpp: At global scope: main.cpp:23:13: warning: 'void binary(uint64_t)' defined but not used [-Wunused-function] static void binary(uint64_t x) { ^~~~~~