题目:Given a string, determine if it is a palindrome, considering only alphanumeric characters and ignoring cases.For example,"A man, a plan, a canal: P...
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其他好文 时间:
2014-07-09 21:38:15
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207
Write code to partition a linked list around a value x, such that all nodes less than x come before all nodes greater than or equal to x.Use two addit...
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2014-07-09 17:44:36
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159
Implement a function to check if a linked list is a palindrome.Reverse the second half of the list and then compare it with the first half./* Assume t...
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其他好文 时间:
2014-07-09 14:25:04
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176
#include
using namespace std;
int partition(int *a,int p,int r)
{
int x=a[r];
int i=p-1;//note i important which is used for
//storage the number smaller than flag x=a[r]
for (int j=p;j<r;j++...
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其他好文 时间:
2014-07-08 21:06:59
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232
检测链表是否是palindrome.思路1:翻转并比较。思路2:迭代。思路3:递归。 public static boolean isPalindrome(LinkedListNode head) { LinkedListNode fast = head; Link...
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其他好文 时间:
2014-07-08 17:15:57
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267
一种方法是先翻转当前数,然后把它和原数比较(略)另一种是递归方法,借用一个复制数,对原数递归,使之翻转,然后配合复制数比较package recursion;
public class Check_if_a_number_is_palindrome {
public static void main(String[] args) {
int num = 121321;
System....
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其他好文 时间:
2014-07-08 17:13:55
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188
Palindrome
Time Limit: 3000MS
Memory Limit: 65536K
Total Submissions: 51518
Accepted: 17733
Description
A palindrome is a symmetrical string, that is, a string read...
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其他好文 时间:
2014-07-08 10:56:08
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204
Given a string, determine if it is a palindrome, considering only alphanumeric characters and ignoring cases.For example,"A man, a plan, a canal: Pana...
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其他好文 时间:
2014-07-06 16:45:00
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201
Determine whether an integer is a palindrome. Do this without extra space.
Some
hints:
Could negative integers be palindromes? (ie, -1)
If you are thinking of converting the integer to string...
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其他好文 时间:
2014-07-05 10:44:29
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227
1、sum over用法
sum(col1) over(partition by col2 order by col3 )
以上的函数可以理解为:按col2 进行分组(partition ),每组以col3 进行排序(order),并进行连续加总(sum)
表a,内容如下:
B C D
02 02 1
02 03 2
02 04 3
02 05...
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其他好文 时间:
2014-07-04 07:09:15
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503