Author: Kazi Amit Hasan

Department of Computer Science & Engineering, </br> Rajshahi University of Engineering & Technology (RUET) </br> Website: https://amithasanshuvo.github.io/ </br> ResearchGate: https://www.researchgate.net/profile/Kazi_Amit_Hasan </br> Linkedin: https://www.linkedin.com/in/kazi-amit-hasan/ </br> Email: kaziamithasan89@gmail.com

Programming

I tried to solve programming problems from codeforces, codechef, leetcode, hackerrank, hackerearth and many other platforms.It's my little effort to put all the solutions here to help others to understand.

Languages

• Python 3.7.0,
• C++

Best way to open this project

1. Install PyCharm or VS code on your machine.(Make sure you use Python 3.7 or higher)
2. git clone this repo to your local disk.
3. For C++ codes follow this link: https://code.visualstudio.com/docs/languages/cpp

Interview Preparation

| # | Title | Solutions | Time | Space | Video/Explanation | Difficulty | Tag | | --- | ---------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------ | ---- | ----- | ----------------- | ---------- | --- | | 1 | Basic Data Types | Solution | | Easy | C++ | | 2 | For loop in C | Solution | | Easy | C++ | | 3 | Playing with Characters | Solution | | Easy | C++ | | 3 | Playing with Characters | Solution | | Easy | C++ | | 4 | Count Digits | Solution | | Easy | C++ |

Other Solved Problems

| # | Title | Solutions | Time | Space | Video/Explanation | Difficulty | Tag | | --- | ---------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------ | ---- | ----- | -------------------------------------------------- | ---------- | ------------------------- | | 1 | Football | Solution | O(1) | O(1) | http://codeforces.com/blog/entry/64130 | Easy | Strings | | 2 | Range of sum BST | Solution | | | https://www.youtube.com/watch?v=bD9oYzwfZ1w | Easy | Tree | | 3 | Array Stabilization | Solution | | | http://codeforces.com/blog/entry/64130 | Easy | Implementation | | 4 | Boy or Girl | Solution | | | https://codeforces.com/blog/entry/5592 | Easy | Brute Force | | 5 | Chat room | Solution | | | https://codeforces.com/blog/entry/1771 | Easy | Greedy | | 6 | Chef and Interactive Contests | Solution | | | https://www.youtube.com/watch?v=aWBkxc__VDY | Easy | Implementation | | 7 | Fancy Quotes | Solution | | | https://www.youtube.com/watch?v=xZKd3lkYLdE | Easy | Implementation | | 8 | Gennady and a Card Game | Solution | | | https://codeforces.com/blog/entry/64310 | Easy | Implementation | | 9 | Helpful Math | Solution | | | http://codeforces.com/blog/entry/8725 | Easy | Greedy | | 10 | Integer Sequence Dividing | Solution | | | https://codeforces.com/blog/entry/64439 | Easy | Math | | 11 | Remove Duplicates from Sorted Array | Solution | | | https://www.youtube.com/watch?v=VSq4wxSpbTc&t=2s | Easy | Array | | 12 | Jewels and Stones | Solution | | | https://www.youtube.com/watch?v=9Reqqk60Nv4&t=32s | Easy | Hash Table | | 13 | Lucky Division | Solution | | | https://codeforces.com/blog/entry/2956 | Easy | Brute Force,Number Theory | | 14 | Middle of the Contest | Solution | | | http://codeforces.com/blog/entry/65807 | Easy | Implementation | | 15 | Petya and Strings | Solution | | | http://codeforces.com/blog/entry/2616 | Easy | Implementation | | 16 | To lower case | Solution | | | | Easy | String | | 17 | Unique Morse Code Words | Solution | | | | Easy | Hash Table | | 18 | Big Countries | Solution | | | | Easy | Database | | 19 | Sort array by parity | Solution | | | | Easy | Array | | 20 | N-Repeated Element in Size 2N Array | Solution | | | https://www.youtube.com/watch?v=LsDeiI3yhG0 | Easy | Array | | 21 | Squares of a Sorted Array | Solution | | | | Easy | Array