CP3 | Competitive Programming 3 : The New Lower Bound | Learning library
kandi X-RAY | CP3 Summary
kandi X-RAY | CP3 Summary
Solutions to "Competitive Programming 3: The New Lower Bound of Programming Contests" Problems and Exercises
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Top functions reviewed by kandi - BETA
- Test program .
- Generate a permutation of characters .
- Compares this birthday with another birthday .
- Returns a String representation of the date .
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CP3 Examples and Code Snippets
Community Discussions
Trending Discussions on CP3
QUESTION
I would like to use mystic solver to solve the following nonlinear optimisation problem with nonlinear constraints. Here the code:
...ANSWER
Answered 2021-Nov-13 at 15:52I'm the mystic
author. Penalty functions are essentially soft constraints, so they can be violated. When they are, they will add a penalty to the cost
. If you want to restrict the input values explicitly, then you want a hard constraint... given with the constraints
keyword. So, add the following to ensure that the candidate solutions are always chosen from the positive orthant (i.e. from within your chosen bounds).
QUESTION
I was playing around with Bezier curves trying to understand it.
Here is the code.
...ANSWER
Answered 2021-Nov-04 at 16:23Concatenate the points with a line segments with pygame.draw.lines
:
QUESTION
I have a Python package containing a number of C/C++ extensions built as a single wheel. I'm trying to understand how to ensure the wheel and shared libraries it contains correctly advertise that they use the stable ABI at a particular API version. I build the package using a setup.py
that I run this way.
ANSWER
Answered 2021-Sep-06 at 10:35It might be surprising, but adding --py-limited-api=cp34
only changes the name of the wheel, but not its content - i.e. it will be still "usual" version pinned to the Python version which with it has been built.
The first step is to create a setup.py
which would produce a C-extension which uses stable-API and which declares it as well. To my knowledge distutils
has no support for stable C-API, so setuptools
should be used.
There is a minimal example:
QUESTION
I have a dataframe that looks like this:
...ANSWER
Answered 2021-Aug-31 at 15:52You are using a +
at the end of the second line where there should be a dplyr pipe %>%
. That produces the given error.
QUESTION
I have a database with the structure, where id and name are the key
id name cp time 1 abc 1 10 1 abc 2 3 1 abc 3 12 2 xyx 1 12 2 xyx 2 11 2 xyx 2 13and I need a query to merge it into a new table structure where its ID and name are only 1 row with the following structure, with time in each column value.
id name cp1 cp2 cp3 1 abc 10 3 12 2 xyz 12 11 13Any help is appreciated thank you.
...ANSWER
Answered 2021-Aug-09 at 15:43GROUP BY will summarize each id and name. And GROUP_CONCAT will give you the list of cp's. Here's a sample query.
QUESTION
I am stuck with a situation on sql. I have a table like this in BigQuery:
...ANSWER
Answered 2021-Jun-27 at 11:02This is a type of gaps-and-islands problem. You are looking for periods of time where the rate is the same on adjacent rows, where adjacency seems to be defined by the expiry date matching the next effective date.
For this version, you can use lag()
to see when an "island" starts. That is, there is no gap in the rate. A cumulative sum of the "island starts" defines each "island". The rest is aggregation.
QUESTION
I'm trying to make a command where it generates a random moth, with a randomly chosen name, gender identity, moth type, and favorite food. For some reason it only sends a letter from the first array LS1
. My current code is here:
ANSWER
Answered 2021-Mar-24 at 02:22Try using + instead of, in message.channel.send(CP1, CP2, CP3, " is a ", GID, MTP, "moth that likes to mostly eat ", SGF);
You should concatenate the string by using CP1+CP2+...
QUESTION
I have tried to reimplement heapify method in order to use _siftup
and _siftdown
for updating or deleting any nodes in the heap and maintaining a time complexity of O(log(n)).
I did some effort for optimizing my code, But they proved to be worse compared to that of heapq.heapify
(in terms of the total time taken). So I have decided to look into source code. and compared copied code with the modules ones.
ANSWER
Answered 2021-Mar-02 at 15:37The heapify
from the heapq
module is actually a built-in function:
QUESTION
I am learning to work with PIC and I am trying to set up a PWM using CCP for PIC 18F45K22.
I follow steps as given in section 14.3.2 in the datasheet: http://ww1.microchip.com/downloads/en/DeviceDoc/40001412G.pdf . I calculated period for 8MHz FOSC and 5000Hz Fpwm.
My output remains low all the time. Any help as to what I might be doing wrong?
My code:
...ANSWER
Answered 2021-Mar-02 at 02:08Fixed it - RB0 doesn't accept CCP2. Needed to change the pin to RC1
QUESTION
I am trying to MERGE two queries which are generating two pivots i.e pivot1 and pivot2( trying to merge two pivots) I am having two different queries let's say query1 and query2.
...Query1 is as follows:
ANSWER
Answered 2020-Oct-24 at 18:59The simplest approach might be to union all
both queries:
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You can use CP3 like any standard Java library. Please include the the jar files in your classpath. You can also use any IDE and you can run and debug the CP3 component as you would do with any other Java program. Best practice is to use a build tool that supports dependency management such as Maven or Gradle. For Maven installation, please refer maven.apache.org. For Gradle installation, please refer gradle.org .
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