Compilare: main.cpp: In function 'int64_t result_per_digit(int, int, int)': main.cpp:29:37: warning: suggest parentheses around '-' inside '<<' [-Wparentheses] 29 | int start = (1 << 2 * nr_digits - 2), end = (1 << 2 * nr_digits); | ~~~~~~~~~~~~~~^~~ main.cpp:47:52: warning: comparison of integer expressions of different signedness: 'uint64_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 47 | if (number_calc % static_cast<uint64_t>(p) == n) { | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~ main.cpp:29:9: warning: unused variable 'start' [-Wunused-variable] 29 | int start = (1 << 2 * nr_digits - 2), end = (1 << 2 * nr_digits); | ^~~~~