File clean-up

data_structures/Graphs/bfs.java

@@ -2,27 +2,27 @@ import java.util.*;
 
 /**
  * Implementation of a Breadth First Search
- * 
+ *
  * @author Unknown
  *
  */
 public class bfs{
-	
+
 	/**
-	 * The BFS implemented in code to use. 
-	 * 
-	 * @param a Structure to perform the search on
+	 * The BFS implemented in code to use.
+	 *
+	 * @param a Structure to perform the search on a graph, adjacency matrix etc.
 	 * @param vertices The vertices to use
 	 * @param source The Source
 	 */
 	public static void bfsImplement(byte [][] a,int vertices,int source){  //passing adjacency matrix and no of vertices
 		byte []b=new byte[vertices];    //flag container containing status of each vertices
 		Arrays.fill(b,(byte)-1);   //status initialization
-		/*       code   status 
+		/*       code   status
 				 -1  =  ready
 				  0  =  waiting
 				  1  =  processed       */
-				
+
 		Stack st = new Stack(vertices);     //operational stack
 		st.push(source);                                                 //assigning source
 		while(!st.isEmpty()){
@@ -30,18 +30,18 @@ public class bfs{
 			System.out.println(st.peek());
 			int pop=st.peek();
 			b[pop]=(byte)1;               //assigning processed status
-			st.pop();                  //removing head of the queue 
+			st.pop();                  //removing head of the queue
 			for(int i=0;i<vertices;i++){
 				if(a[pop][i]!=0 && b[i]!=(byte)0 && b[i]!=(byte)1 ){
 					st.push(i);
 					b[i]=(byte)0;                        //assigning waiting status
 				}}}
 	}
-	
-	
+
+
 	/**
-	 * The main method 
-	 * 
+	 * The main method
+	 *
 	 * @param args Command line arguments
 	 */
 		public static void main(String args[]){
@@ -49,9 +49,9 @@ public class bfs{
 		int vertices=in.nextInt(),source=in.nextInt();
 		byte [][]a=new byte [vertices][vertices];
 		//initially all elements of a are initialized with value zero
-		
+
 		for(int i=0;i<vertices;i++){
-			int size =in.nextInt(); 
+			int size =in.nextInt();
 			for(int j=0;j<size;j++){
 				a[i][in.nextInt()]=1;      //taking adjacency entries by assigning 1
 			}