problem-4

readme.md

problem-4

Created with <3 with dartpad.dev.

main.dart

void main() {
//   Given the a list of unique numbers sorted in ascending order, 
//   return a new list so that the values increment by 1 for each index from 
//   the minimum value up to the maximum value (both included).
//   Example
//   Input:  1,3,5,6,7,8 
//   Output: 1,2,3,4,5,6,7,8
  
  String pipeFix1(List<int> numbers) {
    String output = '';
    for (int i = 0; i < numbers.length; i++) {
      int next = numbers[i] + 1;
      if (!numbers.contains(next)) {
        output =
            "${output.isNotEmpty ? "$output," : ''} ${numbers[i]}, ${numbers[i] + 1}";
      } else {
        output = "${output.isNotEmpty ? "$output," : ''} ${numbers[i]}";
      }
    }
    return output;
  }

  List<int> pipeFix2(List<int> numbers) {
    int min = numbers[0];
    int max = numbers[numbers.length - 1];
    int size = max - min + 1;

    List<int> result = List.generate(size, (int index) => index);
    for (int i = 0; i < size; i++) {
      result[i] = i + min;
    }
    return result;
  }

  List<int> input = [1, 3, 5, 6, 7, 8];
  final output = pipeFix1(input);
  //final output = pipeFix2(input);

  print(output.toString());
}