/* 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 static void main (String[] args) throws java.lang.Exception
	{
		int i,j,a;
		System.out.println("課題B-0");
		for(i=0;i<10;i++){
			System.out.println("#");
			}
		System.out.println("課題B-1");
		for(i=0;i<20;i++){
			System.out.print("#");
		}
		System.out.println("");
		System.out.println("課題B-2");
		for(i=0;i<10;i++){
			for(j=0;j<20;j++){
				System.out.print("#");
			}
				System.out.println("");
		}
		System.out.println("課題B-3");
		for(i=0;i<10;i++){
			for(j=0;j<10;j++){
				System.out.printf("%d",j);
			}
				System.out.println("");
		}		
		System.out.println("課題B-4");
		for(i=0;i<10;i++){
			for(j=0;j<10;j++){
				System.out.printf("%d",i);
			}
				System.out.println("");
		}		
		System.out.println("課題B-5");
		for(i=1;i<11;i++){
			for(j=0;j<i;j++){
				System.out.print("#");
			}
				System.out.println("");
		}		
		System.out.println("課題B-6");
		for(i=11;i>1;i--){
			for(j=0;j<i;j++){
				System.out.print("#");
			}
				System.out.println("");
		}		
		System.out.println("課題B-7");
		for(i=1;i<11;i++){
			for(a=0;a<11-i;a++){
				System.out.print(" ");}			
			for(j=0;j<i;j++){
				System.out.print("#");
			}
				System.out.println("");
		}		
// your code goes here
	}
}

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