Add these files to your project directory. Then use the header file 'hjalpfunktioner.h' (#include "hjalpfunktioner.h") to use the functions in your program

hjalpfunktioner.cpp

#include <iostream>
#include <string>
#include <cmath>

using namespace std;

/**
 * @brief Converts an integer to a string in base 2 (binary)
 *
 * @param num Integer to convert to string
 * @param format (Default = true) Whether or not to divide into groups of 8 and add zeros to the first group
 * @return A string of ones, zeros and (if format) spaces
 */
string bitar(const unsigned int num, const bool format = true) {
    string r = "";
    int8_t i = log2(num);
    if(format) for(uint8_t b = 7 - i % 8; b > 0; b--) r += "0";
    while(i >= 0) {
        if (format && !((i+1) % 8) && r.length()) r += " ";
        r += 0x30 + (num >> i--) % 2;
    }
    return r;
}

/**
 * @brief Converts an array of integers to a string separated by the specified string
 *
 * @param array Array of integers to list
 * @param length Length of the array
 * @param sep (Default = ", ") String to place between the numbers in the array
 * @return A string of integers spearated by the specified string
 */
string intArray(const int array[], const unsigned int length, const string sep = ", ") {
    string r = "";
    for(unsigned int i = 0; i < length; i++)
        r += (i > 0 ? sep : "") + to_string(array[i]);
    return r;
}
/**
 * @brief Converts an array of 8-bit unsigned integers to a string separated by the specified string
 *
 * @param array Array of 8-bit unsigned integers to list
 * @param length Length of the array
 * @param sep (Default = ", ") String to place between the numbers in the array
 * @return A string of integers spearated by the specified string
 */
string intArray(const uint8_t array[], const unsigned int length, const string sep = ", ") {
    string r = "";
    for(unsigned int i = 0; i < length; i++)
        r += (i > 0 ? sep : "") + to_string(array[i]);
    return r;
}

/**
 * @brief Copies the elements of the source array into the destination array
 *
 * @param source Source array (integer array)
 * @param dest Destination array (integer array)
 * @param length Length of the array
 */
void copyArray(const int source[], int dest[], const unsigned int length) {
    for(unsigned int i = 0; i < length; i++)
        dest[i] = source[i];
}
/**
 * @brief Copies the elements of the source array into the destination array
 *
 * @param source Source array (8-bit unsigned integer array)
 * @param dest Destination array (8-bit unsigned integer array)
 * @param length Length of the array
 */
void copyArray(const uint8_t source[], uint8_t dest[], const unsigned int length) {
    for(unsigned int i = 0; i < length; i++)
        dest[i] = source[i];
}

/**
 * @brief Returns the sum of the elements in the array
 *
 * @param array Array of integers
 * @param length Length of the array
 * @return The sum of the elements
 */
int sumArray(const int array[], const unsigned int length) {
    int r = 0;
    for(unsigned int i = 0; i < length; i++)
        r += array[i];
    return r;
}
/**
 * @brief Returns the sum of the elements in the array
 * 
 * @param array Array of 8-bit unsigned integers
 * @param length Length of the array
 * @return The sum of the elements
 */
unsigned int sumArray(const uint8_t array[], const unsigned int length) {
    unsigned int r = 0;
    for(unsigned int i = 0; i < length; i++)
        r += array[i];
    return r;
}

hjalpfunktioner.h

#include <string>

std::string bitar(const unsigned int tal, const bool format);

std::string intArray(const int array[], const unsigned int length, const std::string sep = ", ");
std::string intArray(const uint8_t array[], const unsigned int length, const std::string sep = ", ");

void copyArray(const int source[], int dest[], const unsigned int length);
void copyArray(const uint8_t source[], uint8_t dest[], const unsigned int length);

unsigned int sumArray(const int array[], const unsigned int length);
unsigned int sumArray(const uint8_t array[], const unsigned int length);