int main(){
char in_number[MAX_NUM+1];
int in_base = 0;
int out_base = 0;
char possible_characters[16] = {'0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'};
// Accept user input
printf("Please enter the desired starting base: ");
scanf("%d", &in_base);
printf("Please enter the desired ending base: ");
scanf("%d", &out_base);
printf("Please enter the desired number to be converted: ");
scanf("%s", * &in_number);
// Validate input
if (input_validation(in_base, out_base, in_number, possible_characters) == true) {
// If input is error-free, choose the correct conversion method
if (out_base == 10) {
printf("Converted value: %d",to_base10(in_base, in_number, possible_characters));
} else {
from_base10(out_base, in_number, possible_characters);
}
} else {
printf("You have entered invalid input. Please try again.");
}
}
std::string convert_base(unsigned long input, int baseFrom, int baseTo) {
std::string output = "";
unsigned long inputNum = 0;
// No conversion is needed for the same base
if (baseFrom == baseTo) {
return std::to_string(input);
}
if (baseFrom == 10) {
inputNum = input;
}
else {
inputNum = to_base10(std::to_string(input), baseFrom);
}
// Make sure the base range from 2 to 36
if (baseFrom < 2 or baseTo < 2 or baseFrom > 36 or baseTo > 36) {
std::cerr << "Error: Base need to range from 2 to 36." << std::endl;
return "-1";
}
// No conversion is needed when input is 0
if (input == 0) {
return "0";
}
return base10_to_new(inputNum, baseTo);
}