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算法图解——组合求和( Combination Sum)
组合求和( Combination Sum) 1. 题目描述 Given an array of distinct integers candidates and a target integer target, return a list of all unique combinations of ...
分类:编程语言   时间:2021-02-18 13:37:18    阅读次数:0
组合生成
// C# program to find // combinations from n // arrays such that one // element from each // array is present using System; using System.Collections.G ...
分类:其他好文   时间:2021-01-06 12:08:17    阅读次数:0
LeetCode 077. 组合 dfs
地址 https://leetcode-cn.com/problems/combinations/ 给定两个整数 n 和 k,返回 1 ... n 中所有可能的 k 个数的组合。 示例: 输入: n = 4, k = 2 输出: [ [2,4], [3,4], [2,3], [1,2], [1,3] ...
分类:其他好文   时间:2021-01-05 10:38:45    阅读次数:0
22. 括号生成 Generate Parentheses
Given n pairs of parentheses, write a function to generate all combinations of well-formed parentheses. Input: n = 3Output: ["((()))","(()())","(())() ...
分类:其他好文   时间:2020-12-10 11:12:34    阅读次数:5
[LeetCode] 17. Letter Combinations of a Phone Number(手机的 T9 输入法)
Difficulty: Medium Related Topics: String, Backtracking Link: https://leetcode.com/problems/letter-combinations-of-a-phone-number/ Description Given a ...
分类:移动开发   时间:2020-11-21 12:45:15    阅读次数:31
LeetCode | 0040. Combination Sum II组合总和 II【Python】
Problem LeetCode Given a collection of candidate numbers (candidates) and a target number (target), find all unique combinations in candidates where t ...
分类:编程语言   时间:2020-09-17 20:29:16    阅读次数:30
LeetCode 17. 电话号码的字母组合
题目描述链接:https://leetcode-cn.com/problems/letter-combinations-of-a-phone-number/ 基本思路:dfs搜索即可。 LeetCode C++求解代码: class Solution { public: vector<string> ...
分类:其他好文   时间:2020-09-04 17:08:51    阅读次数:65
93. Restore IP Addresses 93.恢复IP地址
Given a string containing only digits, restore it by returning all possible valid IP address combinations. A valid IP address consists of exactly four ...
分类:其他好文   时间:2020-07-23 23:22:00    阅读次数:75
[LeetCode] 216. Combination Sum III
Find all possible combinations of k numbers that add up to a number n, given that only numbers from 1 to 9 can be used and each combination should be ...
分类:其他好文   时间:2020-07-10 09:59:09    阅读次数:61
python内置函数-排列组合函数
python内置函数-排列组合函数 product 笛卡尔积 (有放回抽样排列) permutations 排列 (不放回抽样排列) combinations 组合,没有重复 (不放回抽样组合) combinations_with_replacement 组合,有重复 (有放回抽样组合) 详细的参见 ...
分类:编程语言   时间:2020-07-01 14:13:21    阅读次数:81
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