CodeChef Logo CodeChef Logo
Courses

Programming and DSA

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

Career Paths

From beginner to job-ready. Explore our curated career paths designed to help you succeed in the tech industry.

Other Courses

Programming and DSA

Explore courses

Catalogue

Programming and DSA

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

Career Paths

From beginner to job-ready. Explore our curated career paths designed to help you succeed in the tech industry.

Other Courses

Explore courses
Practice Compete Compiler

Courses

Programming and DSA

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

Career Paths

From beginner to job-ready. Explore our curated career paths designed to help you succeed in the tech industry.

Other Courses

Programming and DSA

Explore courses

Catalogue

Programming and DSA

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

Career Paths

From beginner to job-ready. Explore our curated career paths designed to help you succeed in the tech industry.

Other Courses

Explore courses
Practice Compete Compiler
Home » Ajay Kumar
user profile

Ajay Kumar

  • 4★akumar3
  •   India
  • Professional
  • Amazon
  • No Active Plan. View Details

Submissions Heat Map

Rating Graph

No. of Contests Participated: 57
1834 (+50)RatingProvisional
Rating i Provisional Rating, click to know more
January Long 2022 - I, Division 3 (Rated)(2022-01-10 15:00:00)
Global Rank:   19
Cheated in:   

Ratings System Update

(2022-01-10 15:00:00)
This is the difference due to changing the rating system.This graph is not updated after 20th Dec 2022. Know more
How the rating system works?
1834 (+69)RatingProvisional
Rating i Provisional Rating, click to know more
January Long 2022 - I, Division 3 (Rated)(2022-12-20 00:00:00)
Global Rank:   19
Cheated in:   

Ratings System Update

(2022-12-20 00:00:00)
This is the difference due to changing the rating system.This graph is not updated after 20th Dec 2022. Know more
How the rating system works?

Learning Paths (0)

None

Practice Paths (0)

None

Contests (57)

February 2012 Challenge

Count of Maximum

April Challenge 2012

Fit to Play, Double Strings

June Challenge 2012

Little Elephant and Candies, Doom Bakes Cakes

July Challenge 2012

The Gray-Similar Code, Gift Rift

August Challenge 2012

Little Elephant and Bombs

October Challenge 2012

Fierce Battles, Event Organizer

November Challenge 2012

Coin Flip, Sridhar Likes Travelling

December Challenge 2012

Granama Recipes

January Challenge 2013

Little Elephant and Alcohol, The Minimum Number Of Moves, End Of The World, Chef of the Year, Three Different Numbers

January Cook-Off 2013

Minimum Distance

February 2013 Challenge

Buy1-Get1, Climbing Stairs, Efficient Painting

March Challenge 2013

Tourist Translations, Approximately, Fire Escape Routes, Minesweeper

April Challenge 2013

Little Elephant and Music, Barcelona Gameplay Tactics, Kingdom Unity, Fault Tolerance, Maximum Weight Difference, Levy Conjecture

May Challenge 2013

Matchsticks, Password Cracking Challenge, Name Reduction, Your Name is Mine, Field Trip

June Challenge 2013

Dessert Wizard, Predictopus, To challenge or not, Lapindromes

June Cook-Off 2013

Attic Crossing, Lyra and the Alethiometer

July Challenge 2013

Galactik Football, Chef and Walking on the rectangle , Count K-Primes, Sereja and Sorting, Circle of death

July Cook-off 2013

Chopsticks

August Challenge 2013

Little Elephant and Lemonade, Hello Hello, Save The Princess, Chef and Segments, Deleting numbers, Splitting Candies

August Cook-Off 2013

Chef and The Right Triangles

September Challenge 2013

Little Elephant and Exams, Cool Guys, Chef and Integers , Project Spoon, CAO Stage-1, CAO Stage-2, Sereja and Snake

October Challenge 2013

Helping Lira, Maxim and Dividers

December Challenge 2013

Art in Digital Age, Cube Cakes, Chef and Codes, Funny Marbles, Magic Pairs, Reign, Rectangular Queries

December Lunchtime 2013

Mike and Matrices

January Challenge 2014

Sereja and Graph, Bon Appetit, Please like me, Chef and Feedback

May Cook-Off 2014

Divide the Cake, Ups and Downs

July Cook-Off 2014

Copy-Paste, Sum Queries

September Cook-Off 2014, ACM-ICPC Warm up

Sherlock and the Grid, Subarray GCD

October Cook-Off 2014

The Army, Walk on the Axis

February Challenge 2014

Make Him Happy, Longest Common Pattern, Little Elephant and Subarrays, Colored Array, Make It Zero 2

March Challenge 2014

Sereja and Sorting 2, Team Split, Binary Tournament, Walk, Little Chef and Numbers, Mike and Stamps

April Challenge 2014

Sereja and Permutation, Counting Matrices, Farmer Feb, Chef and Digits, Divide the Tangerine, Shortest Path in Binary Trees

May Challenge 2014

Compilers and Parsers, Chef-jumping, Chef and Strange Matrix, Stone

June Challenge 2014

Chef and Subarray, Guessing Game, Forgot Password

July Challenge 2014

Garden Game, Chef and Frogs, Chef and Rectangle Genome, Count Substrings, Reach The Point, Dish Owner

August Challenge 2014

Chef and Reversing, The Leaking Robot, Chef and Gift

September Challenge 2014

Factorisation, Chef and Left-Right, Fun with Rotation

October Challenge 2014

Remy paints the fence, Chef and Ground, Chef and Painting, Magical Girl and Colored Liquid Potions, DevuLand, Dinosaurs and Laddus

December Challenge 2014

Alok-nath and His Sanskars, Kali and Devtas, XOR with Subset, Chef and Apple Trees

September Lunchtime 2014

Chef and easy problem, Chef and easy problem 2

January Challenge 2015

Queries on the String, Sereja and Number Division 2, Chef and A Large Permutation, Chef and Stones, Sereja and Votes, One Dimensional Kingdoms, Gcd Queries

March Challenge 2015

Chef and Notebooks

May Challenge 2015

Devu and binary String, Chef and Prime Divisors, Set Difference , Chef and new recipe

June Challenge 2015

Chef and Memory Limit, Chef and Polygons

July Challenge 2015

Maximum Difference Walk, Bread, Na2a and lucky stone, Chef and Cube

September Challenge 2015

Chain of Doughnuts, Count Steps in Matrix, Lighthouses

December Challenge 2015

Chef and the stones, Plane Division, Oracle Devu and Longest Common Subsequence, Chef and Filters

January Long Challenge 2016

Rupsa and the Game, Churu and Balls, Chef and Time Machine, Devu and Perfume

February Challenge 2016

Chef-Detective

July Challenge 2016

Andrash and Stipendium, Chef and Tetris, Chef and Robots Competition, Chefland and Electricity

February Challenge 2018

Chef And His Characters, Chef And The Patents, Car-pal Tunnel, Permutation and Palindrome

April Challenge 2020 Division 2

Strange Number, Unit GCD, Sell All the Cars, COVID Pandemic and Long Queue

May Challenge 2020 Division 2

Coronavirus Spread, Isolation Centers

January Long 2022 - I, Division 3 (Rated)

Keplers Law, Prime in a binary string, Retrieve back the Array, Covid Spread, Chef and Riffles

Total Problems Solved: 221

1834
(Div 2)
★★★★
CodeChef Rating (Highest Rating 1955)
  • Inactive Global Rank
  • Inactive Country Rank

Badges

Contest Contender - Gold Badge

Contest Contender - Gold Badge

Received for participating in 50 Contests

Problem Solver - Bronze Badge

Problem Solver - Bronze Badge

Received for solving 50 Problems

Daily Streak - Bronze Badge

Daily Streak - Bronze Badge

Received for maintaining a streak of 5 days

Recent Activity

Fetching recent activity

Workden, MNR PRIDE, 14, HAL Old Airport Rd, Domlur I Stage, 1st Stage, DOMLUR, Bengaluru, Karnataka 560071 help@codechef.com +91 95911 47880
Find us online

ROADMAPS

Learn Python
Learn Java
Learn C
Learn C++
Data structures and Algorithms
Competitive Programming
More Roadmaps

CAREER PATHS

React JS Developer
Full stack Developer
SQL for Data Analysis
Frontend Developer
Java Backend Developer
Data Analysis using Python
Python Backend Developer
C++ Developer
Machine Learning using Python

COMPILERS

HTML online compiler
C++ online compiler
C online compiler
Java online compiler
Python online compiler
SQL online compiler
JavaScript online compiler
React online compiler
More compilers

COMPANY

About us
For colleges
Coding Contests
Blogs
Hire from us
Contact us
Privacy Policy
Frequently Asked Questions

© 2026 CodeChef Inc. All rights reserved.

We use cookies to improve your experience and for analytical purposes. Read our Privacy Policy and Terms to know more. You consent to our cookies if you continue to use our website.