题目修改汇总：
 
A balls
范围  0 <= n < 16 --> 0 <= n <= 16
all the balls are numbered from 1 to n --> all the balls are numbered from 1 to m
在html里面已改过，但在pdf里没有改。 
 
D firing range
output:
 standing for the number of arcs which weren't covered by fire --> 
 standing for the number of arcs which were covered by fire k times.
   (-109<=li<ri<=109, li<m) --> 0<=li<m
之前题目里有对k的描述。

• Re:题目修改汇总 (412) CO2 2006-10-21 15:20:38
  • Re:题目修改汇总 (636) CO2 2006-10-21 16:17:31
    • Re:题目修改汇总 (729) CO2 2006-10-21 16:47:55
      • 请问：按你的意思Ｄ里面的li和ri不一定要满足li<ri,对吗？　然后li>ri表示li->0->ri? (63) Hacker_QC 2006-10-21 17:18:52
      • Re:题目修改汇总 (726) CO2 2006-10-21 18:24:29