题目:You are given two linked lists representing two non-negative numbers. The digits are stored in reverse order and each of their nodes contain a sin....
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编程语言 时间:
2014-07-24 10:01:23
阅读次数:
223
Given an unsorted array of integers, find the length of the longest consecutive elements sequence.For example, Given [100, 4, 200, 1, 3, 2], The lo...
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其他好文 时间:
2014-07-24 00:49:07
阅读次数:
200
题目链接:http://poj.org/problem?id=3292
题目大意:就是给你一个模4余1的数H-number,如果一个H-number是H-primes 当且仅当它的因子只有1和它本身(除1外)。一个H-number是H-semi-prime当且仅当它只由两个H-primes的乘积表示。H-number剩下其他的数均为H-composite。给你一个数h,问1到h有多少个H-sem...
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其他好文 时间:
2014-07-23 22:38:17
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302
1.hashMap方法O(n)空间换时间public class Solution { public int[] twoSum(int[] numbers, int target) { HashMap hash=new HashMap(); int ans[]=ne...
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其他好文 时间:
2014-07-23 22:20:57
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262
Next PermutationImplement next permutation, which rearranges numbers into the lexicographically next greater permutation of numbers.If such arrangemen...
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其他好文 时间:
2014-07-23 20:34:45
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206
A message containing letters from A-Z is being encoded to numbers using the following mapping:
'A' -> 1
'B' -> 2
...
'Z' -> 26
Given an encoded message containing digits, determine the total numb...
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其他好文 时间:
2014-07-23 17:06:05
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324
Add Two NumbersYou are given two linked lists representing two non-negative numbers. The digits are stored in reverse order and each of their nodes co...
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其他好文 时间:
2014-07-23 16:51:51
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251
Problem DescriptionGiven two sequences of numbers : a[1], a[2], ...... , a[N], and b[1], b[2], ...... , b[M] (1 2 #include 3 using namespace std; 4 .....
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其他好文 时间:
2014-07-23 12:27:06
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252
Given a sorted linked list, delete all nodes that have duplicate numbers, leaving onlydistinctnumbers from the original list.For example,Given1->2->3-...
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其他好文 时间:
2014-07-23 12:20:16
阅读次数:
205
Given an array of integers, find two numbers such that they add up to a specific target number.The function twoSum should return indices of the two nu...
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其他好文 时间:
2014-07-23 12:03:26
阅读次数:
287