算法导论第三版思考题8-3.a
SORT_PROBLEM_A(A, n) let B[1..n] be a new array for i = 1 to n make B[i] an empty list for i = 1 to A.length j = 1 while A[i]/10 j = j + 1 insert A[i] into list B[j] for i = 1 to n //sort B[j] with RADIX-SORT RADIX-SORT(B[j], j) concatenate the lists B[0..n] together in order