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- using System;
- using System.Collections.Generic;
- using System.Linq;
- namespace _04.ListOperations
- {
- class Program
- {
- static void Main(string[] args)
- {
- List<int> numbers = Console.ReadLine()
- .Split()
- .Select(int.Parse)
- .ToList();
- while (true)
- {
- string[] input = Console.ReadLine().Split();
- string command = input[0];
- if (command == "End")
- {
- break;
- }
- if (command == "Add")
- {
- int number = int.Parse(input[1]);
- numbers.Add(number);
- }
- else if (command == "Insert")
- {
- int numberToInsert = int.Parse(input[1]);
- int index = int.Parse(input[2]);
- numbers.Insert(index, numberToInsert);
- if (index < 0 || index > numbers.Count)
- {
- Console.WriteLine("Invalid index");
- }
- }
- else if (command == "Remove")
- {
- int index = int.Parse(input[1]);
- if (index < 0 || index > numbers.Count)
- {
- Console.WriteLine("Invalid index");
- continue;
- }
- else
- {
- numbers.RemoveAt(index);
- }
- }
- else if (command == "Shift")
- {
- string direction = input[1];
- int rotations = int.Parse(input[2]);
- if (direction == "left")
- {
- for (int i = 0; i < rotations % numbers.Count; i++)
- {
- int firstNum = numbers[0];
- numbers.Add(firstNum);
- numbers.RemoveAt(0);
- }
- }
- else
- {
- for (int i = 0; i < rotations % numbers.Count; i++)
- {
- int lastNum = numbers[numbers.Count - 1];
- numbers.Insert(0, lastNum);
- numbers.RemoveAt(numbers.Count - 1);
- }
- }
- }
- }
- Console.WriteLine(string.Join(" ", numbers));
- }
- }
- }
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