A Small Exercise~

DivideBy3/Main.java

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+import java.util.Scanner;
+public class Main{
+	public static void main(String[] args){
+		Scanner sc = new Scanner(System.in);
+		int num = sc.nextInt();
+		while(num!=0){
+			int count = 0;
+			int out = num;
+			num = 0;
+			while(num!=out){
+				num = out;
+				out = next(num);
+				count++;
+			}
+			System.out.println(count-1);
+			count = 0;
+			num = sc.nextInt();
+		}
+	}
+
+	public static int next(int num){
+		System.out.println("    "+num);
+		int count =0;
+		while(num>0){
+			int c = num%10;
+			System.out.println("    C: "+c);
+			count+=c*c*c;
+			num/=10;
+		}
+		System.out.println("    "+count);
+		return count;
+	}
+}
+
+class number{
+	int[] num;
+	int times;
+	number(){
+		times = 0;
+		num = new int[4];
+		for(int i=0;i<4;i++)
+			num[i] = 0;
+	}
+
+	public number(int init){
+		num = new int[4];
+		times = 0;
+		for(int i = 0;i<4;i++)
+			num[i] = 0;
+		int count = 0;
+		while(init>0){
+			num[count] = init%10;
+			count++;
+			init/=10;
+		}
+	}
+
+	public int next(){
+		int sum = 0;
+		for(int i = 0;i<4;i++)
+			sum += num[i]*num[i]*num[i];
+		return sum;
+	}
+}

DivideBy3/run.sh

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+# Compile the source filei
+echo "Compiling..."
+javac DivideBy3.java
+
+echo "------------------ Test Starting ----------------------"
+echo "java DivideBy3" 
+
+START=`date +%s%N`;
+echo "Result:" `java DivideBy3`
+END=`date +%s%N`;
+time=$((END-START))
+time=`expr $time / 1000000`
+echo "Elapsed time:" $time "ms"
+echo "---------------------- Test Ends ----------------------"
+
+
+