-----------------------声笔飞码纯字模式效率分析--------------------------
2 keys: 677 items, 413773945.00 times, covering 74.00 %
2 keys: 677 items, 413773945.00 times, covering 74.00 %
3 keys: 530 items, 54996856.00 times, covering 9.84 %
3 keys: 1207 items, 468770801.00 times, covering 83.83 %
4 keys: 1776 items, 52377383.00 times, covering 9.37 %
4 keys: 2983 items, 521148184.00 times, covering 93.20 %
5 keys: 3129 items, 25591285.00 times, covering 4.58 %
5 keys: 6112 items, 546739469.00 times, covering 97.77 %
6 keys: 3481 items, 8882789.00 times, covering 1.59 %
6 keys: 9593 items, 555622258.00 times, covering 99.36 %
7 keys: 3153 items, 2746148.00 times, covering 0.49 %
7 keys: 12746 items, 558368406.00 times, covering 99.85 %
8 keys: 2748 items, 636445.00 times, covering 0.11 %
8 keys: 15494 items, 559004851.00 times, covering 99.97 %
9 keys: 2083 items, 133988.00 times, covering 0.02 %
9 keys: 17577 items, 559138839.00 times, covering 99.99 %
10 keys: 1626 items, 33383.00 times, covering 0.01 %
10 keys: 19203 items, 559172222.00 times, covering 100.00%
11 keys: 3850 items, 10890.00 times, covering 0.00 %
11 keys: 23053 items, 559183112.00 times, covering 100.00%
Average Len: 2.520300000000
效果太差，还不如经典飞码，PASS掉！
