Friday, February 20, 2015

LeetCode [172] Factorial Trailing Zeroes


Note:
  • method1: #5 = #trailing zeros
    •                ...5...10...15...20...25...30...125...625
    • #5              1     1     1     1    2     1      3       4       
 
Ref
[1] https://oj.leetcode.com/problems/factorial-trailing-zeroes/
OJ
[2] https://oj.leetcode.com/discuss/20691/my-explanation-of-the-log-n-solution
method1

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