HEX_INT_CONVERTER

//MY CRAPPY YOUTUBE https://www.youtube.com/channel/UC9kD0oE90HfCZvMAPzRLf3w

#include<iostream>
#include<math.h>

const char* DECIMAL_TO(int input) {
    int i = 2;
    char output[1024];
    char input_type = 16;
    char char_set[] = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
    do {
        output[1024 - i] = char_set[input % input_type];
        i++;
    } while (input /= input_type);
    return output + (1024 - i) + 1;
}

int TO_DECIMAL(char input[], char input_size) {
    int output = 0;
    char input_type = 16, offset = 48;
    char int_set[] = { 0,1,2,3,4,5,6,7,8,9 ,'|','|','|','|','|','|','|', 10,11,12,13,14,15,16 };
    for (char i = 0; i < input_size; i++)
        output += int_set[input[i] - offset] * std::pow(input_type, input_size - i - 1);
    return output;
}

int main() {
    std::cout << "1E240 = " << TO_DECIMAL((char*)"1E240", 5) << std::endl;
    std::cout << "123456 = " << DECIMAL_TO(123456) << std::endl;
}