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- using System;
- using System.Collections.Generic;
- using System.Linq;
- using System.Text;
- using System.Threading.Tasks;
- namespace Binary_Search
- {
- class Program
- {
- static void Main(string[] args)
- {
- List<int> numbers = Console.ReadLine().Split(' ').Select(int.Parse).ToList();
- int element = int.Parse(Console.ReadLine());
- int count = 0;
- int linear = Linear(numbers, element);
- int binary = Binary(numbers, element);
- numbers.Sort();
- if (numbers.Contains(element))
- {
- Console.WriteLine("Yes");
- }
- else
- {
- Console.WriteLine("No");
- }
- Console.WriteLine($"Linear search made {linear} iterations");
- Console.WriteLine($"Binary search made {binary} iterations");
- }
- static int Linear(List<int> numbers, int element)
- {
- int count = 0;
- foreach (int x in numbers)
- {
- count++;
- if (x == element)
- {
- return count;
- }
- }
- return count;
- }
- static int Binary(List<int> numbers, int element)
- {
- numbers.Sort();
- int min = 0;
- int max = numbers.Count - 1;
- int count = 0;
- while (min <= max)
- {
- int mid = (min + max) / 2;
- count++;
- if (numbers[mid] < element)
- {
- min = mid + 1;
- }
- if (numbers[mid] > element)
- {
- max = mid - 1;
- }
- if (numbers[mid] == element)
- {
- break;
- }
- }
- return count;
- }
- }
- }
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