I was playing around in C to implement the "sieve of Eratosthenes" for finding primes. I came up with the following code: #include <stdio.h> #include <stdlib.h> void strike_mult...

I have a generic reference-counted heap-allocated wrapper class. So my class is basically just a pointer: template <typename T> class Refcounted { struct model { std::atomic<std:...

Write a function remove_digits that receives two arrays of type int. The first array contains a number of integers, and the second array is an array of digits. It is necessary to remove all digits fro...

I need to insert for every number sum of his digits in array using pointer arithmetic. Auxiliary arrays are not allowed. Example: 123, 456, 789 Output: 123, 6, 456, 15, 789, 24 Code: #include <st...