分苹果_分苹果编程

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import java.util.Scanner;

public class Main {

	public static int fun(int apple, int plate) {
		if (apple < 0) {
			return 0;
		}
		if (apple == 0 || plate == 1) {
			return 1;
		}
		// 放苹果和不放苹果,放苹果要在剩余的盘子里面每个放一个，这样才保证后面的苹果数永远是大于或者等于前面的苹果数的，不会重复
		return fun(apple - plate, plate) + fun(apple, plate - 1);
	}

	public static void main(String[] args) {
		Scanner scanner = new Scanner(System.in);
		int times = scanner.nextInt();
		while (times-- != 0) {
			int apple = scanner.nextInt();
			int plate = scanner.nextInt();
			System.out.println(fun(apple, plate));
		}
	}

}