public class mani2darray {
		public static int [][] cmultiply (int A[][], int c){
			for (int i =0; i <A.length; i++){
				for (int j =0; j <A[0].length; j++){
					A[i][j] = c* A[i][j];
				}
			}
		return A;
		}

		public static int [][] multiply (int A[][], int B[][]){
			int answer [] [] = new int [A.length][A.length];
			for (int i =0; i < A.length; i ++){
				for (int j=0; j <A.length; j++){
					for (int k = 0; k < A[0].length; k++)
						answer[i][j] += A[i][k] * B[k][j];
					}
			}
		return answer;
		}


		public static int [] [] flipvertically (int A[][]){
			int answer [] [] = new int [A.length] [A[0].length];
			int counter =0;
			for (int i = A.length -1; i >= 0; i--){
				for(int j=0; j<A[0].length; j++){
					answer[counter][j] = A[i][j];
				}
				counter++;
			}
		return answer;
		}

		public static int [] [] fliphorizontally (int A[][]){
		int answer [] [] = new int [A.length] [A[0].length];
		for (int i =0; i < A.length; i ++){
			int counter =0;
			for (int j= A[0].length -1; j >= 0; j--){
				answer[i][counter] = A[i][j];
				counter ++;
			}
		}
		return answer;
		}








}