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.
之前题目里有对k的描述。

• 提不上去！！！解决！！！！ (0) xxxsssccc 2006-10-21 15:14:06
• 服务器修修嘛,.. (0) beiyouyu 2006-10-21 15:14:12
  • Re:服务器修修嘛,.. (17) CO2 2006-10-21 15:15:35
• Re:题目修改汇总 (386) CO2 2006-10-21 15:18:53
  • 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
• 发短信交程序~~ (0) gchl 2006-10-21 15:22:22
  • 难道要比压缩代码么 (0) SHU_Contest 2006-10-21 15:23:46
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    • 有创意 (0) wx1166750 2006-10-21 17:39:14
• 预赛就是一个字： 假. (371) eNGLISH 2006-10-21 17:43:04
  • 追加一句，很假 (0) wx1166750 2006-10-21 17:44:19
    • 非常假... (0) live 2006-10-21 17:46:35
      • 太假了啊囧 (0) MeteorRain 2006-10-21 17:49:55