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[LeetCode]172.Factorial Trailing Zeroes
Given an integer n, return the number of trailing zeroes in n!.Note: Your solution should be in logarithmic time complexity....
分类:其他好文   时间:2015-02-07 21:45:08    阅读次数:273
leetcode 172: Factorial Trailing Zeroes
Given an integer?n, return the number of trailing zeroes in?n!. Note:?Your solution should be in logarithmic time complexity. Credits: Special thanks to?@ts ?for adding this problem and creat...
分类:其他好文   时间:2015-02-03 11:23:32    阅读次数:125
TJU Problem 1065 Factorial
注意数据范围,十位数以上就可以考虑long long 了,断点调试也十分重要。原题:1065. FactorialTime Limit: 1.0 Seconds Memory Limit: 65536KTotal Runs: 6067 Accepted Runs: 2679The most imp....
分类:其他好文   时间:2015-01-30 22:17:35    阅读次数:230
Factorial Trailing Zeroes(析因,求尾随个0个数)
Given an integern, return the number of trailing zeroes inn! 这是LeetCode Online Judge上的一个原题:给定一个n,求n!中,末尾0的个数。思路n!中0的个数,可以将n!表示成 n!=m*10k,其中k就是题目要求的...
分类:其他好文   时间:2015-01-28 22:33:19    阅读次数:223
LeetCode—Factorial Trailing Zeroes
Given an integer n, return the number of trailing zeroes in n!. Note: Your solution should be in logarithmic time complexity. 题目是非常简单的,计算一个数字递归相乘后末尾0的个数 在相乘出现2*5才有可能出现0,2一般是足够的,主要是5的个数,因为是阶乘,...
分类:其他好文   时间:2015-01-28 13:06:21    阅读次数:123
LeetCode Factorial Trailing Zeroes
class Solution {public: int trailingZeroes(int n) { int count = 0; while (n) { count += n / 5; n /= 5; }...
分类:其他好文   时间:2015-01-28 00:42:47    阅读次数:199
Factorial Trailing Zeroes
Given an integern, return the number of trailing zeroes inn!.Note:Your solution should be in logarithmic time complexity.public class Solution { pu...
分类:其他好文   时间:2015-01-25 20:55:19    阅读次数:119
LeetCode - Factorial Trailing Zeroes
Factorial Trailing Zeroes2015.1.23 18:46Given an integern, return the number of trailing zeroes inn!.Note:Your solution should be in logarithmic time ...
分类:其他好文   时间:2015-01-23 19:55:02    阅读次数:459
【原创】leetCodeOj --- Factorial Trailing Zeroes 解题报告
原题地址:https://oj.leetcode.com/problems/factorial-trailing-zeroes/题目内容:Given an integern, return the number of trailing zeroes inn!.Note:Your solution s...
分类:其他好文   时间:2015-01-20 00:49:43    阅读次数:182
Factorial Trailing Zeroes
Given an integern, return the number of trailing zeroes inn!.Note:Your solution should be in logarithmic time complexity.最初想法是计算里面能被5整除的数字的个数(因为能被2整除的...
分类:其他好文   时间:2015-01-16 16:25:27    阅读次数:130
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