base Converter simulator


#include 
#include 
#include 
#include 
using namespace std;

// Convert decimal to binary, octal, hexadecimal
void convertFromDecimal(int decimal) {
    cout << "Binary:      " << bitset<32>(decimal) << endl;
    cout << "Octal:       " << oct << decimal << endl;
    cout << "Hexadecimal: " << hex << uppercase << decimal << endl;
}

// Convert binary string to decimal
int binaryToDecimal(const string& binary) {
    return stoi(binary, nullptr, 2);
}

// Convert octal string to decimal
int octalToDecimal(const string& octal) {
    return stoi(octal, nullptr, 8);
}

// Convert hex string to decimal
int hexToDecimal(const string& hex) {
    int value;
    stringstream ss;
    ss << hex << hex;
    ss >> std::hex >> value;
    return value;
}

int main() {
    int choice;
    string input;
    int decimal;

    while (true) {
        cout << "\n--- Base Converter ---\n";
        cout << "1. Convert Decimal to Binary/Octal/Hex\n";
        cout << "2. Convert Binary to Decimal\n";
        cout << "3. Convert Octal to Decimal\n";
        cout << "4. Convert Hex to Decimal\n";
        cout << "5. Exit\n";
        cout << "Choose an option: ";
        cin >> choice;

        switch (choice) {
            case 1:
                cout << "Enter decimal number: ";
                cin >> decimal;
                convertFromDecimal(decimal);
                break;

            case 2:
                cout << "Enter binary number: ";
                cin >> input;
                try {
                    cout << "Decimal: " << binaryToDecimal(input) << endl;
                } catch (...) {
                    cout << "Invalid binary input.\n";
                }
                break;

            case 3:
                cout << "Enter octal number: ";
                cin >> input;
                try {
                    cout << "Decimal: " << octalToDecimal(input) << endl;
                } catch (...) {
                    cout << "Invalid octal input.\n";
                }
                break;

            case 4:
                cout << "Enter hexadecimal number: ";
                cin >> input;
                try {
                    cout << "Decimal: " << hexToDecimal(input) << endl;
                } catch (...) {
                    cout << "Invalid hexadecimal input.\n";
                }
                break;

            case 5:
                cout << "Exiting Base Converter.\n";
                return 0;

            default:
                cout << "Invalid option. Try again.\n";
        }
    }

    return 0;
}