[kuangbin] Topic 1 Simple Search for Pots POJ-3414 [BFS]

[Title Description] You are given two pots, having the volume of A and B liters respectively. The following operations can be performed: ·FILL(i) fill the pot i (1 ≤ i ≤ 2) from the tap ·DROP(i) empty the pot i to the drain ·POUR(i,j) pour from pot i to pot j;after this operation either the pot j is ...

Posted by fizzystutter on Sun, 04 Aug 2019 00:49:43 -0700

[dp+Game] Winning Strategy of Chess Board

Links: https://ac.nowcoder.com/acm/problem/21797Source: Niuke.com Time limit: C/C++ 1 second, 2 seconds for other languages Space limitations: C/C++ 32768K, other languages 65536K 64bit IO Format: %lld Title Description There is a two-dimensional chessboard with rows r and columns c. Each position on the board has the fol ...

Posted by Chris16962 on Sat, 03 Aug 2019 19:57:56 -0700

Wannafly Challenge 22C Polynomial (Large Number, Polynomial Limit)

Links: https://ac.nowcoder.com/acm/contest/160/C Source: Niuke.com polynomial Time limit: C/C++ 1 second, 2 seconds for other languages Spatial constraints: C/C++ 262144K, other languages 524288K 64bit IO Format: %lld Topic Description Seek Lim limits {x to + infty} frac {f (x)} {g (x)} x→+∞ lim ​ g(x) f(x) ​ Where f and g are polynomials a ...

Posted by karldesign on Thu, 01 Aug 2019 21:50:17 -0700

React Native Reaction-native-videos Realize the Function of Music Player and Progress Bar

React Native (1) React-native-videos to realize the functions of music player and progress bar Functions: 1. Sliding cards to cut songs 2. Display progress bar Design sketch: Third-party components: 1.react-native-video Github address: https://github.com/react-native-community/react-native-video 2.react-native-animated-tabs Github address: htt ...

Posted by fragger on Wed, 31 Jul 2019 00:22:00 -0700

Codeforces Round #576 (Div. 2) | CF1199 Supplement

A. City Day Is it troublesome to use the st table// Then O(1) queries the minimum number of X before this number and the minimum number of y after this number, noting that the boundary and x, y are zero. 1 #include<bits/stdc++.h> 2 #include<iostream> 3 #include<stack> 4 #include<algorithm> 5 #include<cst ...

Posted by jcantrell on Tue, 30 Jul 2019 23:19:48 -0700

E. MAZE (Line Tree + dp)

Question meaning: Give you a matrix of n*m. You can only go left to right. There are two kinds of operations q times to ask: one is to turn a unit over (that is to say, walk into non-walk into walk), the other is to ask how many options are there from (1, x) to (n, y). Thought: Topic n is 1e5 and M is only 10. We can consider maintaining an m* ...

Posted by castis on Tue, 30 Jul 2019 21:19:53 -0700

CCPC - CometOJ Summer Happy Competition 2009

A-complete k-fork tree meaning of the title It is known that a complete (k) fork tree has (n) nodes. The distance between the two farthest points on the tree is calculated, and the distance between the nodes is 1. Basic Ideas If the depth of the tree is (h), then the distance between the two points of the full (k) fork tree is ((h-1)*2), and th ...

Posted by abakash on Sun, 28 Jul 2019 21:42:15 -0700

Converting row data to column data in SQL Server

Dead work Create tables 1 use [test1] 2 go 3 4 create table [dbo].[student]( 5 [id] [int] identity(1,1) not null, 6 [name] [nvarchar](50) null, 7 [project] [nvarchar](50) null, 8 [score] [int] null, 9 constraint [pk_student] primary key clustered 10 ( 11 [id] asc 12 )with (pad_index = off, statisti ...

Posted by Albatross on Sun, 28 Jul 2019 01:42:14 -0700

Small Program, Cloud Development, Actual Warfare - Mini Weibo

0. Preface This article will teach you how to write a line of code for a mini-version of Weibo. The mini-version of Weibo contains the following functions: Feed streams: Focus on dynamics, all dynamics Sending Graphics and Text Dynamics Search Users Focus on System Comment on the Trend Personal Home Page Used cloud development capabilities: ...

Posted by sONOCOOLO on Tue, 23 Jul 2019 21:18:38 -0700

ios App Start Loading Advertising Page Ideas

demand Many apps (such as Taobao, Mei Tuan, etc.) display several seconds of advertisements after loading the startup map. Generally, there is a skip button to skip the advertisement. Some apps also enter an advertisement page after clicking on the advertisement page, and then click back to the home page. Although this ad page is not very ...

Posted by thedotproduct on Wed, 17 Jul 2019 19:26:18 -0700