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Leetcode dfs Sum Root to Leaf Numbers
Sum Root to Leaf Numbers  Total Accepted: 20237 Total Submissions: 67979My Submissions Given a binary tree containing digits from 0-9 only, each root-to-leaf path could represent a numbe...
分类:其他好文   时间:2014-09-05 16:12:01    阅读次数:200
HDU 1058 Humble Numbers (打表)
题目链接:HDU 1058 Humble Numbers 题意:一些数他们的素数因子只有2,3,5,7。求这些数。 因为这些数的因子只可能是2,3,5,7。所以通过2,3,5,7这个四个数构造这个数列,这个数列靠后的数必定是前面的数乘上2,3,5,7得到。 AC代码: #include #include #define ll __int64 using namesp...
分类:其他好文   时间:2014-09-05 14:26:41    阅读次数:103
Leetcode: Multiply Strings
Given two numbers represented as strings, return multiplication of the numbers as a string.Note: The numbers can be arbitrarily large and are non-nega...
分类:其他好文   时间:2014-09-05 12:36:41    阅读次数:227
Remove Duplicates from Sorted List II
Given a sorted linked list, delete all nodes that have duplicate numbers, leaving onlydistinctnumbers from the original list.For example,Given1->2->3-...
分类:其他好文   时间:2014-09-05 05:31:40    阅读次数:176
LeetCode: Combinations
LeetCode: CombinationsGiven two integers n and k, return all possible combinations of k numbers out of 1 ... n. For example,If n = 4 and k = 2, a solu...
分类:其他好文   时间:2014-09-04 22:03:20    阅读次数:221
【UVA】10739 - String to Palindrome(动态规划)
比较水的动态规划 dp[i][j] 将原串 i ~ j 之内的字符转化为回文字符所需要的最小操作次数 其中删除操作和添加操作本质上是一样的。 三个状态转移方程: dp[i][j] = min(dp[i][j] ,dp[i + 1][j]); dp[i][j] = min(dp[i][j] ,dp[i + 1][j - 1]); dp[i][j] = min(dp[i][j] ,dp...
分类:其他好文   时间:2014-09-04 19:05:40    阅读次数:189
冒泡、二分排序
1 #include 2 3 void main() 4 { 5 int a[10] = {0}; 6 int i,j,t; 7 printf("input 10 numbers:\n"); 8 for (i = 0; i a[i+1]) {16 ...
分类:其他好文   时间:2014-09-04 18:32:49    阅读次数:203
Swift Basic 2
传入函数的参数可以简单的用一个数组动态传入 func?sumOf(numbers:?Int...)?->?Int?{ ????var?sum?=?0 ????for?number?in?numbers?{ ????????sum?+=?number ????} ????ret...
分类:编程语言   时间:2014-09-04 17:15:10    阅读次数:276
Median(vector+二分)
MedianTime Limit: 5 Seconds Memory Limit: 65536 KBThe median of m numbers is after sorting them in order, the middle one number of them if m is even o...
分类:其他好文   时间:2014-09-04 16:49:29    阅读次数:190
Uva401Palindromes
PalindromesA regular palindrome is a string of numbers or letters that is the same forward as backward. For example, the string "ABCDEDCBA" is a pali....
分类:其他好文   时间:2014-09-04 00:01:57    阅读次数:310
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