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/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
 
	public printOneSq(int [][] arr ,int k , int n , int num){
		int i,j;
		for(i =k ,j=k ; j<n ; j++ ){
 
		}
		for(i=k+1,j=n ; i<n ; i++){
 
		}
		for(i=n-1,j=n-1 ; j>k ;j--){
 
		}
		for(i=n-1 ,j=k ; i > k ; i-- ){
 
		}
	}
	public static void main (String[] args) throws java.lang.Exception
	{
		// your code goes here
	}
}

Main.java:10: error: invalid method declaration; return type required
	public printOneSq(int k , int n){
	       ^
Main.java:11: error: illegal start of expression
		for(){
		    ^
Main.java:11: error: illegal start of expression
		for(){
		     ^
Main.java:11: error: ';' expected
		for(){
		      ^
Main.java:14: error: illegal start of expression
		for(){
		^
Main.java:14: error: ')' expected
		for(){
		   ^
Main.java:14: error: illegal start of expression
		for(){
		    ^
Main.java:14: error: ';' expected
		for(){
		     ^
Main.java:17: error: illegal start of type
		for(){
		^
Main.java:19: error: illegal start of type
		}for(){
		 ^
Main.java:23: error: class, interface, or enum expected
	public static void main (String[] args) throws java.lang.Exception
	              ^
11 errors

Standard output is empty