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Programming and DSA

Learn to think like a programmer. Develop your problem-solving skills with essential data structures and algorithms.

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Programming and DSA

Learn to think like a programmer. Develop your problem-solving skills with essential data structures and algorithms.

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Programming and DSA

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Catalogue

Programming and DSA

Learn to think like a programmer. Develop your problem-solving skills with essential data structures and algorithms.

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Practice Compete Compiler
Home » F9Devil
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F9Devil

Silver League Silver League
  • 6★f9devil
  •   Kyrgyzstan
  • Other
  • No Active Plan. View Details

Submissions Heat Map

Rating Graph

No. of Contests Participated: 12
2223 (+45)RatingProvisional
Rating i Provisional Rating, click to know more
Starters 220 (Rated till 5 star)(2026-01-07 22:00:00)
Global Rank:   4
Cheated in:   

Ratings System Update

(2026-01-07 22:00:00)
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Global Rank:   0
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Learning Paths (4)

learn-icon

Learn C#

18%
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Learn JavaScript

35%
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Learn React JS for Front-end development

13%
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Learn Python Programming

5%

Practice Paths (27)

learn-icon

Practice C++

39%
learn-icon

Practice C#

21%
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Practice C

38%
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1000 to 1400 difficulty problems

29%
learn-icon

Stacks and Queues

29%
learn-icon

Linked Lists

22%
learn-icon

Two Pointers and Sliding Window Technique

27%
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Number theory

42%
learn-icon

Greedy Algorithms

45%
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1400 to 1600 difficulty problems

4%
learn-icon

Practice PHP

5%
learn-icon

Projects for Beginners in C

23%
learn-icon

Dynamic programming

45%
learn-icon

Binary Search

83%
learn-icon

Arrays, Strings & Sorting

50%
learn-icon

C++ Projects for Beginners

15%
learn-icon

SQL Practice Queries

57%
learn-icon

Practice Java

38%
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Projects using HTML / CSS

65%
learn-icon

500 to 1000 difficulty problems

58%
learn-icon

Python Projects for Beginners

5%
learn-icon

500 difficulty rating

Completed

learn-icon

Practice Basic Math

35%
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Practice Arrays

20%
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Practice Python

39%
learn-icon

Practice JavaScript

37%
learn-icon

Practice Strings

19%

Contests (12)

Starters 176 (Rated)

Friendly Binary Strings, Clothing Store, Run for Fun, Costly Summit, Mex-P Tree (Easy), Same And

Starters 177 (Rated)

2 Boxes, Triangle Checking, Ordered Distances, Counting 01 and 10

Starters 178 (Rated)

Smoothly Increasing , Food Balance, Big Difference, Placing 01 And 10, Permutation Construct, Minimum Colours (Hard)

Starters 179 (Rated)

Can you reach, Set Major (Prefix), Conquer the Fest!!, Unlock The Safe, Lost in the Fest!!, Station Allocation

Starters 210 (Rated)

Min Modular Subarray, Chocolate Eating, Make All, First Element Counting

Starters 211 (Rated)

Buying Chairs, No Doubling, Wolf Down

Weekend Dev Challenge 21: Full Stack Projects using MERN

Part 2 - Connect the React UI with the Backend API, Social Media Feature Expansion 2 Project, Storing and Retrieving Profiles with MongoDB, Part 3 - Build the Express Scraping Endpoint, CodeChef Profile Scraper Project

Monday Munch - DSA Challenge 09

AND Plus OR, Print Pattern, Largest Subarray with Sum 0, Is the number divisible by 5

Starters 212 (Rated)

Binary Flip, Beautiful Sum, Exit Door, Distinct Fun, Counting MEX Is Fun, Interesting Binary (Easy Version)

Starters 213 (Rated)

Mean Difference (Easy), Chef and String, Mean Difference (Hard), Separation, No 4 Please, Maximum Product Walk

Starters 214 (Unrated)

Crazy Permutations, Lexicographically Minimum Tree Traversal, Scam, Zero Permutation Score, Delete For Fun

Starters 215 (Rated)

Special Missions, Differing Values, Markers on a Tree (Hard), Product Sum Arrays (Hard), Product Sum Arrays (Easy), Intersecting Intervals (Hard), Intersecting Intervals (Easy), Markers on a Tree (Easy)

Starters 216 (Rated till 5 star)

LIS and LDS, Minimum Same Difference, Tree Subsets, XOR Equal Subtract

Starters 217 (Rated till 5 star)

Tree Counting, Max Adds, Range MEX, Make An AP

Starters 220 (Rated till 5 star)

Monochrome Minimization (Hard), Swap to Increase, Two Pile Game, Swap to Increase (Hard), Upward Path

Total Problems Solved: 1154

2223
(Div 1)
★★★★★★
CodeChef Rating (Highest Rating 2223)
  • 381 Global Rank
  • 1 Country Rank

Skill tests

97%

Python Skill test

Attempted on November 2025
100%

C++ Skill test

Attempted on November 2025
View skill tests

Badges

Problem Solver - Diamond Badge

Problem Solver - Diamond Badge

Received for solving 1000 Problems

Code Enthusiast - Bronze Badge

Code Enthusiast - Bronze Badge

Received for explaining 10 Solutions

Total likes: 0    Total dislikes: 0

Contest Contender - Bronze Badge

Contest Contender - Bronze Badge

Received for participating in 5 Contests

Daily Streak - Gold Badge

Daily Streak - Gold Badge

Received for maintaining a streak of 50 days

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