gaye

Originally posted by secretfj at 2005-6-19 06:37 PM:! W+ w+ m+ m7 Q. ]. j& D9 s2 @
有無人知點解?
6 z0 }9 b# g: @Server 的Backup Code?
# Q" ]. z2 J9 H6 }9 Jso funny, thanks a lot!

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4 m9 K+ w. A1 q! e/ D/ ^# a6 l2 W好簡單, ICQ 應該係 Visual C++ 寫的 , 而係 Visual C++ 入面) U, \7 {( d8 `3 p7 j% d+ Y
Maximum value for a variable of type "unsigned int" 係 4294967295 (0xffffffff) + C& m! c: H$ i/ L
個 value 過左呢個 range 就會 overflow , 佢只會理最後個32bits 數 (即係好似返返轉頭 , 循環咁), j1 ?4 E6 n7 }) n6 ~
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0 + 4294967295 = 4294967295 (max)
: |) G) o6 o$ U1 v  n1 + 4294967295 = 0 + 4294967296 = 0 (because of overflow)& Z. k+ K- s4 ^2 \4 [
and so on....
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) e. ]$ i9 c- i2 i2 Y[ Last edited by gaye on 2005-6-19 at 06:57 PM ]

gaye

Originally posted by crap at 2005-6-19 07:14 PM:
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% u. I% j% U) L  O9 ~嘩

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小弟都係比較多睇電腦雜誌