new-test

readme.md

new-test

Created with <3 with dartpad.dev.

main.dart

class RomanNumbers {
  int romanCharToInt(String romanChar) {
    switch (romanChar) {
      case 'I':
        return 1;
      case 'V':
        return 5;
      case 'X':
        return 10;
      case 'L':
        return 50;
      case 'C':
        return 100;
      case 'D':
        return 500;
      case 'M':
        return 1000;
    }
    return 0;
  }

  int romanToDecimal(String romanNumber) {
    int decimalValue = 0;

    for (int i = 0; i < romanNumber.length; i++) {
      int firstValue = romanCharToInt(romanNumber[i]);
      int secondValue =
          romanCharToInt(romanNumber[i + 1 == romanNumber.length ? i : i + 1]);
      if (firstValue < secondValue) {
        decimalValue -= firstValue;
      } else {
        decimalValue += firstValue;
      }
    }

    return decimalValue;
  }
}

main() {
  int value = RomanNumbers().romanToDecimal("XLIV");
  if (value == 44) {
    print("Success!");
  }
}