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[leetcode]Factorial Trailing Zeroes
问题描述: Given an integer n, return the number of trailing zeroes in n!. Note: Your solution should be in logarithmic time complexity. 基本思想 尾0的个数取决于5的个数。 代码: int trailingZeroes(int n) { //...
分类:其他好文   时间:2014-12-30 20:43:23    阅读次数:132
Factorial Trailing Zeroes
Given an integern, return the number of trailing zeroes inn!.Note:Your solution should be in logarithmic time complexity.只有2 * 5才会产生0只要计算出因子中2和5的个数取小的...
分类:其他好文   时间:2014-12-30 20:27:13    阅读次数:169
【leetcode】Factorial Trailing Zeroes
Factorial Trailing ZeroesGiven an integern, return the number of trailing zeroes inn!.Note:Your solution should be in logarithmic time complexity.统计末尾...
分类:其他好文   时间:2014-12-30 18:37:19    阅读次数:142
【LeetCode】Factorial Trailing Zeroes (2 solutions)
Factorial Trailing ZeroesGiven an integern, return the number of trailing zeroes inn!.Note:Your solution should be in logarithmic time complexity.Cred...
分类:其他好文   时间:2014-12-30 13:28:46    阅读次数:141
leetcode 172: Factorial Trailing Zeroes
Factorial Trailing Zeroes Total Accepted: 28 Total Submissions: 69 Given an integer n, return the number of trailing zeroes in n!. Note: Your solution should be in polynomial time complexity....
分类:其他好文   时间:2014-12-30 10:05:31    阅读次数:190
[leetcode] Merge k Sorted list
题目:(DC,LinkedList,Heap)Mergeksorted linked lists and return it as one sorted list. Analyze and describe its complexity.题解:leetcode中不多的heap题,priorityqu...
分类:其他好文   时间:2014-12-30 00:24:24    阅读次数:183
LeetCode:Search for a Range
题目描述: Given a sorted array of integers, find the starting and ending position of a given target value. Your algorithm's runtime complexity must be in the order of O(log n). If the target is...
分类:其他好文   时间:2014-12-29 12:14:25    阅读次数:112
leetcode:Search for a Range
Given a sorted array of integers, find the starting and ending position of a given target value. Your algorithm's runtime complexity must be in the or...
分类:其他好文   时间:2014-12-28 22:09:56    阅读次数:193
LeetCode Merge k Sorted Lists
Mergeksorted linked lists and return it as one sorted list. Analyze and describe its complexity. 1 /** 2 * Definition for singly-linked list. 3 * pu.....
分类:其他好文   时间:2014-12-27 00:09:07    阅读次数:127
Merge k Sorted Lists leetcode
Merge k sorted linked lists and return it as one sorted list. Analyze and describe its complexity. 题目的意思是将k个有序链表合并成一个有序链表 思路: 利用归并排序,图解如下: 只不过在k链表合并中,图中的10  4  6 等元素变为了链表,需要  mergeTwoList(A,...
分类:其他好文   时间:2014-12-26 11:15:45    阅读次数:226
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