【题目】
Given a set of distinct integers, S, return all possible subsets.
Note:
Elements in a subset must be in non-descending order.The solution set must not contain duplicate subsets.
...
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其他好文 时间:
2014-12-08 17:47:58
阅读次数:
191
【题目】
Follow up for "Unique Paths":
Now consider if some obstacles are added to the grids. How many unique paths would there be?
An obstacle and empty space is marked as 1 and 0 respectively...
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其他好文 时间:
2014-12-08 17:47:15
阅读次数:
167
【题目】
A robot is located at the top-left corner of a m x n grid (marked 'Start' in the diagram below).
The robot can only move either down or right at any point in time. The robot is trying to ...
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其他好文 时间:
2014-12-08 17:45:44
阅读次数:
213
题目地址:https://oj.leetcode.com/problems/find-peak-element/题目内容:A peak element is an element that is greater than its neighbors.Given an input array wher...
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其他好文 时间:
2014-12-08 17:37:32
阅读次数:
114
【题目】
Given n non-negative integers representing an elevation map where the width of each bar is 1, compute how much water it is able to trap after raining.
For example,
Given [0,1,0,2,1,0,1,...
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移动开发 时间:
2014-12-08 15:32:44
阅读次数:
233
【题目】
Given 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 solution is:
[
[2,4],
[3,4],
[2,3],
[1,2],
[1,3],...
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其他好文 时间:
2014-12-07 16:29:01
阅读次数:
190
题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=5139题目意思:给出一个数 n,求出 f(n)。 可以发现有以下规律: f(1) = 1! f(2) = 1! * 2! f(3) = 1! * 2! * 3! f(n) = 1! * 2!...
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其他好文 时间:
2014-12-07 16:18:42
阅读次数:
248
Merge Two Sorted ListsMerge two sorted linked lists and return it as a new list. The new list should be made by splicing together the nodes of the fir...
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其他好文 时间:
2014-12-07 14:58:26
阅读次数:
178
Palindrome Partitioning IIGiven a string s, partition s such that every substring of the partition is a palindrome.Return the minimum cuts needed for ...
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其他好文 时间:
2014-12-06 22:52:25
阅读次数:
291
题目链接:http://codeforces.com/problemset/problem/493/B题目意思:给出 n 个 techniques,每个 technique 的值为 ai。 ai > 0 表示把这个分数给第一个wrestler,ai 2 #include 3 #include ...
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其他好文 时间:
2014-12-06 22:49:21
阅读次数:
275