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leetcode - Sum Root to Leaf Numbers
Given a binary tree containing digits from 0-9 only, each root-to-leaf path could represent a number. An example is the root-to-leaf path 1->2->3 which represents the number 123. Find the tota...
分类:其他好文   时间:2014-09-28 18:02:24    阅读次数:182
POJ 3438 Look and Say(水题)
【题意简述】:就是说一串数字,现在让我们换一种方式去描述它,用该数字的个数和数字本身去重新描述这串数字。 【分析】:简单模拟一下。 //248k 641ms #include using namespace std; int main() { int t; char digits[1001]; cin>>t; while(t--) { cin>>digits; int l...
分类:其他好文   时间:2014-09-27 14:26:49    阅读次数:198
LeetCode——Restore IP Addresses
Given a string containing only digits, restore it by returning all possible valid IP address combinations.For example:Given"25525511135",return["255.2...
分类:其他好文   时间:2014-09-24 21:14:07    阅读次数:234
Oracle trunc()函数的用法
/*TRUNC(number,num_digits)Number 需要截尾取整的数字。Num_digits 用于指定取整精度的数字。Num_digits 的默认值为 0。TRUNC()函数截取时不进行四舍五入*/--Oracle trunc()函数的用法/**************日期******...
分类:数据库   时间:2014-09-23 14:23:24    阅读次数:191
Reverse Integer (JAVA)
Reverse digits of an integer.Example1:x = 123, return 321Example2:x = -123, return -321 1 public class Solution { 2 public int reverse(int x) { 3 ...
分类:编程语言   时间:2014-09-23 12:10:24    阅读次数:235
【LeetCode】Sum Root to Leaf Numbers 解题报告
【题目】 Given a binary tree containing digits from 0-9 only, each root-to-leaf path could represent a number. An example is the root-to-leaf path 1->2->3 which represents the number 123. Fin...
分类:其他好文   时间:2014-09-22 19:30:53    阅读次数:175
Leetcode: Sum Root to Leaf Numbers
Given a binary tree containing digits from 0-9 only, each root-to-leaf path could represent a number.An example is the root-to-leaf path 1->2->3 which...
分类:其他好文   时间:2014-09-21 08:55:00    阅读次数:190
Leetcode: Restore IP addresses
Given a string containing only digits, restore it by returning all possible valid IP address combinations.For example:Given "25525511135",return ["255...
分类:其他好文   时间:2014-09-20 07:44:47    阅读次数:235
leetcode_num4_Reverse Integer
题目: Reverse digits of an integer. Have you thought about this? Here are some good questions to ask before coding. Bonus points for you if you have already thought through this! If the inte...
分类:其他好文   时间:2014-09-18 18:52:54    阅读次数:191
Exercise : Self-Taught Learning
First, you will train your sparse autoencoder on an "unlabeled" training dataset of handwritten digits. This produces feature that are penstroke-like....
分类:其他好文   时间:2014-09-16 17:20:10    阅读次数:557
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