LeetCode_ Interview question 01.05 One edit

LeetCode_ Interview question 01.05 Primary edit [medium] Topic: Title: There are three editing operations for Strings: insert a character, delete a character, or replace a character. Given two strings, write a function to determine whether they require only one (or zero) edit. Example 1: input: first = "pale" second = "ple" output: Tru ...

Posted by Tyrant on Fri, 13 May 2022 23:56:30 +0300

Leetcode PHP solution -- d124 1175 Prime Arrangements

D124 1175. Prime Arrangements Title Link 1175. Prime Arrangements Topic analysis This question, give a number n to generate an array from 1 to N. how many permutations make the number of prime digits prime? Where 1 < = n < = 100 Since the final return value may be large, please return the result after mod (10 * * 9 + 7). thinking In other ...

Posted by raquelzinha on Fri, 13 May 2022 17:15:13 +0300

CMake multi main() entrance project construction (brush topic direction)

In ACM algorithm competition / LeetCode using C + + to brush questions and other scenarios, usually: A lot of C + + source code needs to be maintained Multiple main function entries are required to facilitate test execution Some self written public function class libraries (such as debug output vector, etc.) are referenced in multiple files T ...

Posted by DarkendSoul on Thu, 12 May 2022 18:47:09 +0300

[LeetCode]622. Design circular queue (Java)

Design your loop queue implementation. Circular queue is a linear data structure whose operation performance is based on FIFO (first in first out) principle, and the tail of the queue is connected after the head of the queue to form a loop. It is also called "ring buffer". One of the benefits of circular queues is that we can use the ...

Posted by dan231 on Thu, 12 May 2022 00:02:06 +0300

LeetCode question brushing notes (Java) -- updated to 402 questions

preface Questions that need to open vip will be skipped temporarily Note navigation Click the link to jump to the navigation link of all brush notes 401. Binary Watch The top of the binary watch has 4 LEDs representing hours (0-11) and the bottom 6 LEDs representing minutes (0-59). Each LED represents a 0 or 1, with the lowest bit on ...

Posted by CodeMama on Tue, 10 May 2022 15:53:22 +0300

Dynamic programming & explanation of the idea of divide and rule (taking leetcode question 53: finding the maximum subsequence as an example) (transferred from the explanation of leader liwei1419 in the comment area)

Write in front: this blog is only for my summary and notes, not for any commercial purpose. If there is any infringement, please contact me to delete it. Thank you. (see the end for reprint link) Method 1: violent solution (understand, friends who are not interested can skip directly) Enumerate all subintervals: Use double-layer loop to enum ...

Posted by anna_cm on Mon, 09 May 2022 20:47:58 +0300

[backtracking algorithm] facebook interview question - bracket generation

catalogue Title Description Backtracking solution Title Description Title address: https://leetcode-cn.com/problems/generate-parentheses/ Given that n represents the logarithm of the generated parentheses, please write a function so that it can generate all possible and effective parenthesis combinations. For example, given n = 3, the gen ...

Posted by sundawg on Sat, 07 May 2022 22:48:58 +0300

[Backtracking interview questions] facebook interview questions - letter combinations of phone numbers (two solutions)

content Topic description Backtracking solution Solve using queues Topic description Title address: https://leetcode-cn.com/problems/letter-combinations-of-a-phone-number/ Given a string containing only the numbers 2-9, return all letter combinations it can represent. The mapping of numbers to letters is given as follows (same as phone k ...

Posted by johnpaine on Sat, 07 May 2022 10:12:49 +0300

Interview question brushing algorithm oj-3

Oj599: sum of two numbers 1 Title Description Given an array from small to large and a target number t, find two numbers in it, make the sum of the two numbers equal to the target number, and output the position of the two numbers in the array. input The first line contains two integers n,t. (1≤n≤1000000,1≤t≤20000000) The num ...

Posted by dearmoawiz on Wed, 04 May 2022 17:56:02 +0300

[leetcode Python] - binary search-81 Search in Rotated Sorted Array II

catalogue   Title Link Title Description Examples Solution I Solution I Python implementation Solution 2 Solution 2: Python code Related topics Link title 81. Search in Rotated Sorted Array II Title Description Search for a target in a rotated ordered array that may contain duplicate elements. If the target is found in the array, ...

Posted by AceOfJames on Tue, 03 May 2022 18:47:44 +0300