def reverse_matrix(rows, cols, matrix): # 首先对矩阵进行列的倒序 for row in matrix: row.reverse() # 然后对矩阵进行行的倒序 matrix.reverse() return matrix def print_matrix(matrix): for row in matrix: print(" ".join(map(str, row))) def main(): n, m = map(int, input().split()) matrix = [] # 读取输入的矩阵 for _ in range(n): row = list(map(int, input().split())) matrix.append(row) # 调用函数进行倒序操作 reversed_matrix = reverse_matrix(n, m, matrix) # 打印倒序后的矩阵 print_matrix(reversed_matrix) # 执行主函数 if __name__ == "__main__": main()