package labbar;

public class Lifelength {
	public static int f1(int a0) {
		int sum = 0;
			if(a0 == 1) {
				return 1;
			}
			if(a0 % 2 == 0) {
				sum = a0/2;
				return sum;
			}
			else {
				sum = a0* 3 + 1;
				return sum;
			}
		}
	public static int f2(int a1) {
		int sum = f1(f1(a1));
		return sum;
		}
	public static int f4(int a2) {
		int sum = f2(f2(a2));
		return sum;
		}
	public static int f8(int a3) {
		int sum = f4(f4((a3)));
		return sum;
		}
	public static int f16(int a4) {
		int sum = (f8(f8(a4)));
		return sum;
		}
	public static int f32(int a5) {
		int sum = f16(f16(a5));
		return sum;
		}
	public static int iterateF(int a0, int n) {
		while(n > 0) {
			a0 = f1(a0);
			n = n - 1;
		}
		return a0;
	}
	public static int iterLifeLength(int a0) {
		int count = 0;
		while(a0 != 1) {
			a0 = f1(a0);
			count = count + 1;
		}
		return count;
	}
	public static String intsToString(int a0) {
		int X = a0;
		int Y = iterLifeLength(a0);
		return "The life length of " + X + " is " + Y + " and by recursion "
				+ "";
		}
	public static int recLifeLength(int a0) {
		//int recsum = 0;
		if(a0 == 1) {
			return 0;
		}
		else {
			//recsum = recsum + 1;
			return recLifeLength(f1(a0)) + 1;

		}
	}
	public static int task1(int a0) {
		return f1(a0);
	}


	public static int task2() {
		int first = Integer.parseInt(args[0]);
		System.out.print("f1=" + f1(first) + " ");
		System.out.print("f2=" + f2(first) + " ");
		System.out.print("f4=" + f4(first) + " ");
		System.out.print("f8=" + f8(first) + " ");
		System.out.print("f16="+ f16(first) + " ");
		System.out.print("32=" + f32(first));
	}

	public static int task3(int a0, int n ) {
		return iterateF(a0, n);
	}
	public static String task4(int a0) {
		String s4 = "";
		for(int i = 1; i <=15; i++) {
			s4 = s4 + intsToString(a0);
			return s4;

		}
	}
	public static String task6(int a0) {
		for(int i = 1; i <=15; i++) {
			return (intsToString(i) + recLifeLength(i));
	}

	}




	public static void main(String[] args) {
		System.out.println(task1(42));
		System.out.println(task3(42,3));
		System.out.println(task4(42));

	}
	}