i think you need to use reflection principle somewhere.
所在版块:求学狮城 发贴时间:2008-07-17 02:07  评分:

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也来一道数学题 1300cc   (160 bytes , 1150reads )
question recritified. should be, find prob() of reaching 10 before 0. 1300cc   (0 bytes , 358reads )
i think you need to use reflection principle somewhere. 1300cc   (0 bytes , 314reads )
opz. should be at point (4) on day 10 1300cc   (0 bytes , 310reads )
agreed with majiao8... 75/1024 icky   (0 bytes , 312reads )
75/1024 马脚8   (0 bytes , 306reads )
110/1024 大树下   (257 bytes , 444reads )
如果虫每天都不偷懒, 偶数天只能到偶数点 马脚8   (0 bytes , 303reads )
第一天在原点,第二天到下一点,所以偶数天到奇数点 shwan   (49 bytes , 325reads )
0 icky   (0 bytes , 311reads )
11/4096? shwan   (0 bytes , 278reads )