gaye

Originally posted by secretfj at 2005-6-19 06:37 PM:: m9 _3 |+ L5 w& `" V
有無人知點解?1 _( E& r) Q0 A% s; m) B
Server 的Backup Code?5 e& ?! ]8 L4 J3 O' @5 s3 b
so funny, thanks a lot!

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* O# ~7 ^& R/ i9 A5 M9 [好簡單, ICQ 應該係 Visual C++ 寫的 , 而係 Visual C++ 入面9 a0 C0 m7 M& X% `( V( O+ r
Maximum value for a variable of type "unsigned int" 係 4294967295 (0xffffffff) ) c3 U! x3 t3 ~8 j
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)
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0 j7 s8 D3 k( ~- i0 + 4294967295 = 4294967295 (max)  c6 |+ Q' @# M) ?0 {! [
1 + 4294967295 = 0 + 4294967296 = 0 (because of overflow)* c1 x3 ~+ K) ~9 l: ~2 f6 L
and so on....7 v$ ~5 j* U# r4 K, V

! x9 C7 R% U* ~[ 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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6 O. `2 @" U1 t4 @嘩

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小弟都係比較多睇電腦雜誌