so I decided to write a blog that has all important information about how to use Codeforces in a single place. I will update it with time, so feel free to write your suggestions/questions in case I missed something and I will be glad to add it to the post!
Sometimes we need to use STL data structures such as map, unordered_map or set using a data type that doesn't have a hash or a comparator. Instead of coding things properly I will show an easy way to achieve the same thing with minimal effort. The idea is to use pointer casting. Let...
Python uses the random module to generate random numbers. This is a built-in Python module. To use it, you have to import it using import random at the top of the Python program.import python The random module includes several functions. To view a list of functions in the random module,...
I use Debian 11 and 12 for a lot of my work , and would like to have the latest Python 3.12.5. Unfortunately, Debian 11 stable includes a much older version. This tutorial will help you install Python 3.12.5 on Debian 11 by building it from source. Table of Contents Linode Install P...
The problem on Codeforces has tag meet-in-the-middle, so I probably need to use this technique. But how? I imagine that I can solve it for e.g. (n/2)*m grid, and then for the another half and combine the results. But what will be the destination point for the fir...
I have read from a codeforces blog that if we add #include <bits/stdc++.h> in a C++ program then there is no need to include any other header files. How does #include <bits/stdc++.h> work and is it ok to use it instead of including individual header files? c++ gcc c++11 g++ ...
concerns remain regarding the reliability of chatbots in code generation, necessitating further investigation into the ethical implications associated with their use (Müller, 2021). Under these circumstances, it is crucial to delve into the exploration and evaluation of chatbots’ capabilities in code ...
NOTE: if you intend to use the key together with a server certificate, it may be a good thing to avoid protecting it with a password, since that would mean someone would have to type in the password every time the server needs to access ...
There are many users on SDNU OJ, but only the one who registered can use it.We think different username represent different user. One day ZhouXiaohui got a record of "Status Pages", the captain Albert_s wants to know how many users are using SDNU OJ at that time. ...
You have to understand how this works in JavaScript, which is very different from how it works in most...When would I use a Hook?...What does useEffect do?...(We will later talk about how to customize this.)...const [state, setState] = useState(initialState); setState(newState);...