Given an indexk, return thekthrow of the Pascal's triangle.For example, givenk= 3,Return[1,3,3,1].Note:Could you optimize your algorithm to use onlyO(... Read More
问题描述:Rotate an array ofnelements to the right byksteps.For example, withn= 7 andk= 3, the array[1,2,3,4,5,6,7]is rotated to[5,6,7,1,2,3,4].Note:Try to... Read More
Given an integern, return the number of trailing zeroes inn!.最初的代码class Solution {public: int trailingZeroes(int n) { long long int fac = 1; ... Read More
http://blog.sina.com.cn/s/blog_61437b3b0102v0bt.htmlhttp://blog.csdn.net/chenwk891/article/details/8776479在C\C++中,文件操作都是由库函数来实现的,主要是分为读和写两种操作,以下详细讲解以下... Read More