原题地址:https://oj.leetcode.com/problems/best-time-to-buy-and-sell-stock-ii/题意:Say
you have an array for which theithelement is the price of a given stoc...
分类:
编程语言 时间:
2014-06-06 20:04:46
阅读次数:
400
The count-and-say sequence is the sequence of
integers beginning as follows:1, 11, 21, 1211, 111221, ...1is read off as"one
1"or11.11is read off as"tw...
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其他好文 时间:
2014-06-06 19:53:31
阅读次数:
203
要求Implement pow(x,n)解1. 特例n=0, 直接返回1n=1, 直接返回xn 0 ?
n : -n);pow(x, index) = (index %2==1 ? pow(x, index/2)*x : pow(x,
index/2));继续优化pow(x, index) = (i...
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其他好文 时间:
2014-06-06 18:40:43
阅读次数:
180
Given a digit string, return all possible
letter combinations that the number could represent.A mapping of digit to
letters (just like on the telephon...
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其他好文 时间:
2014-06-06 17:50:38
阅读次数:
284
Divide two integers without using
multiplication, division and mod operator. 1 class Solution { 2 public: 3 int
divide(int dividend, int divisor) ...
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其他好文 时间:
2014-06-06 17:40:07
阅读次数:
193
原题地址:https://oj.leetcode.com/problems/triangle/题意:Given
a triangle, find the minimum path sum from top to bottom. Each step you may move
to adjacent n...
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编程语言 时间:
2014-06-06 17:31:34
阅读次数:
397
Given a sorted linked list, delete all
duplicates such that each element appear onlyonce.For
example,Given1->1->2, return1->2.Given1->1->2->3->3,
retu...
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其他好文 时间:
2014-06-06 14:54:28
阅读次数:
221
Given a binary tree containing digits
from0-9only, each root-to-leaf path could represent a number.An example is the
root-to-leaf path1->2->3which rep...
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其他好文 时间:
2014-06-06 12:38:42
阅读次数:
255
原题地址:https://oj.leetcode.com/problems/distinct-subsequences/题意:Given
a stringSand a stringT, count the number of distinct subsequences ofTinS.A
subseq...
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编程语言 时间:
2014-06-06 09:59:43
阅读次数:
330
class Solution {public: ListNode
*swapPairs(ListNode *head) { ListNode *a = NULL; ListNode *b = NULL; ListNode
*tail = NULL; ...
分类:
其他好文 时间:
2014-06-05 12:55:24
阅读次数:
216