https://oj.leetcode.com/problems/factorial-trailing-zeroes/publicclassSolution{
publicinttrailingZeroes(intn){
if(n<=0)
return0;//Invalidinput.
//Howmany5s,25s,125s...
intbase=5;
intfives=0;
do
{
fives+=n/d;
base*=5;
}
while(base<=n);
returnfives;
}
}
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其他好文 时间:
2015-01-09 19:29:55
阅读次数:
171
http://blog.csdn.net/yangbobo1992/article/details/10076335________________________________________________________最近在用的项目中,分页页面在导出excel抛出java.lang.Ill...
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Web程序 时间:
2015-01-09 10:33:02
阅读次数:
835
Given an integern, return the number of trailing zeroes inn!.Note:Your solution should be in logarithmic time complexity.Credits:Special thanks to@tsf...
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其他好文 时间:
2015-01-09 00:00:03
阅读次数:
531
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 creating all...
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编程语言 时间:
2015-01-07 23:42:23
阅读次数:
401
Given an integer n, return the number of trailing zeroes in n!.Note: Your solution should be in logarithmic time complexity.Naive方法:A simple method is...
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其他好文 时间:
2015-01-07 08:11:12
阅读次数:
117
本文是在学习中的总结,欢迎转载但请注明出处:http://blog.csdn.net/pistolove/article/details/42417535
Given an integer n, return the number of trailing zeroes in n!.
Note: Your solution should be in logarithmic...
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其他好文 时间:
2015-01-06 10:06:32
阅读次数:
122
n久不做题了,之前因为考研,然后又是假期,一直懒得做,今天开始吧Givenanintegern,returnthenumberoftrailingzeroesinn!.Note:Yoursolutionshouldbeinlogarithmictimecomplexity.开始没有看到是阶乘,之后又研究复杂度的问题代码如下:classSolution{
public:
inttrailingZ..
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其他好文 时间:
2015-01-05 07:08:59
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139
QUESTIONGiven an integer n, return the number of trailing zeroes in n!.Note: Your solution should be in logarithmic time complexity.FIRST TRYclass Sol...
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其他好文 时间:
2015-01-03 19:49:18
阅读次数:
178
Given an integer n, return the number of trailing zeroes in n!.
Note: Your solution should be in logarithmic time complexity.
解析:
只有2和5相乘才会出现0,其中整十也可以看做是2和5相乘的结果,所以,可以在n之前看看有多少个2以及多少个5就行了,又发现2的数量...
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其他好文 时间:
2015-01-02 22:28:57
阅读次数:
213
老题,简单题。数5的个数就行了。class Solution {public: int trailingZeroes(int n) { int result = 0; while (n > 0) { result += n / 5; ...
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其他好文 时间:
2015-01-01 00:11:17
阅读次数:
194