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- using System;
- using System.Collections.Generic;
- using System.Linq;
- using System.Text;
- using System.Threading.Tasks;
- namespace _05.Coins
- {
- class Program
- {
- static void Main(string[] args)
- {
- double sum = double.Parse(Console.ReadLine());
- int coins = 0;
- while (sum > 0)
- {
- sum = Math.Round(sum, 2);
- if (sum >= 20)
- {
- sum -= 20;
- coins++;
- }
- else if (sum >= 10)
- {
- sum -= 10;
- coins++;
- }
- else if (sum >= 5)
- {
- sum -= 5;
- coins++;
- }
- else if (sum >= 2)
- {
- sum -= 2;
- coins++;
- }
- else if (sum >= 1)
- {
- sum -= 1;
- coins++;
- }
- else if (sum >= 0.50)
- {
- sum -= 0.50;
- coins++;
- }
- else if (sum >= 0.20)
- {
- sum -= 0.20;
- coins++;
- }
- else if (sum >= 0.10)
- {
- sum -= 0.10;
- coins++;
- }
- else if (sum >= 0.05)
- {
- sum -= 0.05;
- coins++;
- }
- else if (sum >= 0.02)
- {
- sum -= 0.02;
- coins++;
- }
- else if (sum>= 0.01)
- {
- sum -= 0.01;
- coins++;
- }
- }
- Console.WriteLine(coins);
- }
- }
- }
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