b***k
发帖数: 2673 | 1 ☆─────────────────────────────────────☆
akamai (abc) 于 (Sun Sep 23 23:14:23 2007) 提到:
不知道怎么做 :(
1. A pile of 1000 stones, split it to two piles x and y, you get a number xy
. Split x and y further, you a number for each of them. repeat the process
until there are 1000 piles of 1 stone, add all the numbers together, what is
the sum? Why do you always get the same answer even your splitting is
arbitrary?
2. A string of length 1, cut it to two strings of length x and y, you get a
number xy. Th |
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