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LeetCode-241 Different Ways to Add Parentheses
题目描述 Given a string of numbers and operators, return all possible results from computing all the different possible ways to group numbers and operator ...
分类:其他好文   时间:2019-07-01 19:56:16    阅读次数:98
38.Subsets(子集和)
Given a set of **distinct** integers, *nums*, return all possible subsets (the power set). ...
分类:其他好文   时间:2019-06-24 00:27:36    阅读次数:118
hdu3033 I love sneakers! 分组背包变形(详解)
这个题很怪,一开始没仔细读题,写了个简单的分组背包交上去,果不其然WA。 题目分析: 分组背包问题是这样描述的:有K组物品,每组 i 个,费用分别为Ci ,价值为Vi,每组物品是互斥的,只能取一个或者不取(最多取一个),求在一定背包容量V的情况下,能够获得的最大价值。 而这个题是,他每个牌子的鞋最少 ...
分类:其他好文   时间:2019-06-21 21:02:19    阅读次数:176
leetcode [402]Remove K Digits
Given a non-negative integer num represented as a string, remove k digits from the number so that the new number is the smallest possible. Note: The l ...
分类:其他好文   时间:2019-06-15 15:43:20    阅读次数:104
【leetcode】1079. Letter Tile Possibilities
题目如下: You have a set of tiles, where each tile has one letter tiles[i]printed on it. Return the number of possible non-empty sequences of letters you ...
分类:其他好文   时间:2019-06-15 10:20:42    阅读次数:117
C++ 练习题 <combinations>
[编程题] combinations 时间限制:1秒 空间限制:32768K 时间限制:1秒 空间限制:32768K Given two integers n and k, return all possible combinations of k numbers out of 1 ... n. F ...
分类:编程语言   时间:2019-06-14 23:31:18    阅读次数:161
LeetCode 663. Equal Tree Partition
原题链接在这里:https://leetcode.com/problems/equal-tree-partition/ 题目: Given a binary tree with n nodes, your task is to check if it's possible to partition ...
分类:其他好文   时间:2019-06-12 01:12:32    阅读次数:109
Codeforces Round #565 (Div. 3) C. Lose it!
链接: https://codeforces.com/contest/1176/problem/C 题意: You are given an array a consisting of n integers. Each ai is one of the six following numbers: ...
分类:其他好文   时间:2019-06-10 17:15:41    阅读次数:126
hdu 1159 Common Subsequence (最长公共子序列)
Common Subsequence Problem Description A subsequence of a given sequence is the given sequence with some elements (possible none) left out. Given a se ...
分类:其他好文   时间:2019-06-10 15:56:04    阅读次数:124
Django中url中可以使用类视图.as_view()进行映射的原因
说明:本人在学练习天天生鲜项目时,对利用类视图去与正则匹配到的url做映射有点疑惑,经过查看他人博客以及自我分析算是整明白了,所以记录一下 参考:https://www.zmrenwu.com/post/53/ HTTP发送请求的方式有很多种,这里以POST,GET为例。当在浏览器中输入url地址时 ...
分类:Web程序   时间:2019-06-10 00:12:36    阅读次数:601
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