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- namespace Problem22
- {
- class Program
- {
- static void Main(string[] args)
- {
- int t = int.Parse(Console.ReadLine());
- for (int i = 0; i < t; i++)
- {
- string[] tab = Console.ReadLine().Split(' ');
- double n = double.Parse(tab[0]);
- double k = double.Parse(tab[1]);
- Console.WriteLine(Newton(n, k));
- }
- }
- private static double Newton(double n, double k)
- {
- double wynik = 1;
- for (int i = 1; i <= k; i++)
- {
- wynik = (wynik * (n - i + 1)) / i;
- }
- return Math.Round(wynik);
- }
- }
- }
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