class kadaiB
{
	public static void main (String[] args) throws java.lang.Exception
	{
		int i,k,j;
		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.printf("#");
		}
		System.out.println("");
		System.out.println("課題B-2");
		for(j=0;j<10;j++){
			for(k=0;k<20;k++){
			System.out.print("#");
		}
		System.out.println("");
		}
		System.out.println("課題B-3");
		for(i=0;i<10;i++){
			for(k=0;k<10;k++){
				System.out.print(k);
			}
			System.out.print("\n");
		}
		System.out.println("課題B-4");
		for(i=0;i<10;i++){
			for(k=0;k<10;k++){
				System.out.print(i);
			}
			System.out.println("");
		}
		System.out.println("課題B-5");
		for(i=0;i<10;i++){
			for(k=0;k<=i;k++){
					System.out.print("#");
			}
			System.out.print("\n");
		}
		System.out.println("課題B-6");
		for(i=10;i>=0;i--){
			for(k=1;k<=i;k++){
				System.out.print("#");
			}
			System.out.println("");
		}
		System.out.println("課題B-7");
		for(i=0;i<10;i++){
			for(k=10;k>i;k--){
				System.out.print(" ");
			}
			for(j=0;j<=i;j++){
				System.out.print("#");
			}
			System.out.println("");
		}
		System.out.println("課題B-8");
		for(i=1;i<=5;i++){
			for(k=1;k<=i;k++){
				for(j=1;j<=i;j++){
					System.out.print(i);
				}
				System.out.println("");
			}
		}
		System.out.println("課題B-9");
		for(i=0;i<3;i++){
			for(k=0;k<5;k++){
				for(j=0;j<=k;j++){
					System.out.print("#");
				}
				System.out.println("");
			}
		}
		System.out.println("課題B-10");{
			for(i=0;i<5;i++){
				for(k=0;k<3;k++){
					for(int n=0;n<5;n++){
					if(n<=i)System.out.print("#");
						else System.out.printf(" ");
					}
				}
				System.out.println("");
			}
		}
	}
	}

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