[LeetCode] 172. Factorial Trailing Zeroes 求階乘末尾零的個數
Given an integer n, return the number of trailing zeroes in n!. Example 1: Example 2: Note: Your solution should be in logarithmic time ...
原文：[LeetCode] 793. Preimage Size of Factorial Zeroes Function 階乘零的原像個數函數
Letf x be the number of zeroes at the end ofx . Recall thatx ... x, and by convention, . For example,f because has no zeroes at the end, whilef because has zeroes at the end. GivenK, find how many no ...
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Factorial Trailing Zeroes Given an integer n, return the number of trailing zeroes in n!. Note: Your solution should be in logarithmic time ...
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