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
Upgrade to Pro
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 Gunjal
user profile

Ajay Gunjal

  • 6★ajaybgunjal199
  •   India
  • Professional
  • Google
  • No Active Plan. View Details

Submissions Heat Map

Rating Graph

No. of Contests Participated: 44
2235 (+19)RatingProvisional
Rating i Provisional Rating, click to know more
August Cook-Off 2020 Division 1 (2020-08-24 00:15:00)
Global Rank:   48
Cheated in:   

Ratings System Update

(2020-08-24 00:15:00)
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?
2235 (+3)RatingProvisional
Rating i Provisional Rating, click to know more
August Cook-Off 2020 Division 1 (2022-12-20 00:00:00)
Global Rank:   48
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)

Practice Paths (1)

learn-icon

Practice for ZCO and INOI

25%

Contests (44)

December Cook-Off 2017

Football Match

December Lunchtime 2017

Days in Month

January Challenge 2018

K-Concatenation, Maximum Score, Rectangle, String Merging, Partition the numbers

February Challenge 2018

Chef And His Characters, Chef And The Patents, Akanksha and End of Semester, Car-pal Tunnel, Permutation and Palindrome

March Challenge 2018 DIV 2

Chef and Easy Problem, A Big Sale, Mix the Colors, Chef and Glove, Minions and Voting, Minion Chef and Bananas

March Cook-off 2018 Division 2

Chef Goes to the Cinema, Chef Restores a Matrix, Chef Judges a Competition

June Cook-Off 2018 Division 1

Good Permutations

March Lunchtime 2018 Division 2 (Unrated)

Chef and Friends, Magic Elements

April Challenge 2018 Division 2

Chef and Array (Challenge), Cutting Plants, Weight of Numbers, Highway Crossing, Count Good Prefixes, Average of Pairs, Workers

May Challenge 2018 Division 1

S-T Mincut, Mighty Friend, Change the Signs, Minimum Deletions, Xor Again, Fake Binary Search, Dibs on Fibs

June Challenge 2018 Division 1

Two Flowers, Sheokand and String, Binary Shuffle, Naive Chef

July Challenge 2018 Division 1

Reach Equilibrium, Chef and War with Taran (Challenge), Subway Ride, No Minimum No Maximum, Gears, Magic Set, Strike or Spare, No Strings Attached

August Challenge 2018 Division 1

Coordinate Compression , Modular GCD, Problem Sort, Lonely Cycles, Sheokand and Number, Spell Bob

December Challenge 2018 Division 1

(Challenge) Delete DAG, Max and Electrical Panel, Directing Edges, Chef and Interactive XOR, Chef and Meatballs, Chef and Interactive Contests, Chef and An Ideal Problem

November Challenge 2018 Division 1

Chef and Ridges, Appy Loves One, Good Median, Chef, Primes and Trees (Challenge), Magician versus Chef 2, Chef and Difficult Contests, Chef and Happiness

November Lunchtime 2018 Division 1

Useful Number, Beats and Pieces

Insomnia 2018 (Rated)

Split Sums

Code Melange (Rated)

XD Subsequences, The Deadly Sin, Candy Love

LoC April 2018 (Rated for Division 2)

Cricket Score, Bob and Pallindromes

Quick Code (Rated for Division 2)

Immortal Frieza, Majin Vegeta

Replay of Indian IOI Training Camp (IOITC) #1 (Rated)

Circular Intervals

Replay of Indian IOITC 2018 #2 (Rated)

Changing Numbers

ProCon Junior (Rated for Division 2)

Chef and Secret Ingredient, Chef and Bored Games, Chef and Polygon Cakes, Chef and Cookies

Encoder (Rated for Division 2)

Knight Chess, Paint the Wall

December Lunchtime 2018 Division 1

Choosing from Buckets, Age Calculator

January Challenge 2019 Division 1

Yet Another Problem About Sequences, Different Neighbours, Partition the Graph, Distinct Pairs, A Pizza Slice

Plinth-Enigma'19 LNMIIT Techfest - (Rated for all)

XOR! Wait for it, Return of the Gargoyle King, Summation over nCr

January Lunchtime 2019 Division 1

Distances, Rooks

March Challenge 2019 Division 1

Chef and Soccer, Yet Again a Subarray Problem

June Challenge 2019 Division 1

Lent Money, Chef and Ingredients, Intersecting Paths, Sum and GCD, (Challenge) SnackDown 99

August Challenge 2019 Division 1

Guddu and his Mother, Encoding, Dilemma, Chef and Gordon Ramsay

August Lunchtime 2019 Division 1

Destroy Cells

October Challenge 2019 Division 1

Even Edges, Bacterial Reproduction, Chef and Maximum Star Value, Array Modification, (Challenge) Maximizing LIS

October Mega Cook-Off 2019 Division 1

Hidden Sequence, D-Or

October Lunchtime 2019 Division 1 (Unrated)

Counting Inversions Again!, Box Game

December Lunchtime 2019 Division 1

The Evil Professor, Guess the number

February Challenge 2020 Division 1

Chef and Railway Stations, Expected Change, No Change Required, (Challenge) Raisins, Long Contest and Cook Off Overlaps

May Challenge 2020 Division 1

Buying a New String, Triple Sort, Binary Land, Sorting Vases, Not a Real World Problem, Chef and Bitwise Product

May Cook-Off 2020 Division 1

Chef, Chefina and Their Friendship, Roads in Chefland

April Lunchtime 2020 Division 1

Xor Jar Muluk Tar, Positive Mex

May Lunchtime 2020 Division 1

Convert the String, Tree difference

June Challenge 2020 Division 1

The Tom and Jerry Game!, Operations on a Tuple, The Delicious Cake, Convenient Airports, Covid Sampling (Challenge)

July Challenge 2020 Division 1

LCM Constraints, Chefina and Swaps, Chef and Dragon Dens, Missing a Point, Doctor Chef

July Cook-Off 2020 Division 1

Even-tual Reduction, OR-thodox Distinction

July Lunchtime 2020 Division 1

Golomb Sequence, Binary Concatenation

August Cook-Off 2020 Division 1

Red-blue Trees, Polygon Relationship

June Lunchtime 2020 Division 1

Maximum AND, Gold Mining, Square Submatrices

RECode 12.0 (Rated for all)

Chef and String, Chef and Walk, Chef and Rotation, Chef and Or, Chef and Numbers

Coders' Legacy (Rated for all)

Chef vs Doof, Doof on Cartesian, Doof fires Brackets, Jeremy gets a gift

Starters 169 (Rated till 5 stars)

Constant Subsequence, Hamming equivalent

Starters 171 (Rated till 5 star)

White Wall, Volcanic Eruption

Total Problems Solved: 636

Contributions

Problems Authored (23)
Contest Problem
OTHERS CF1901
CF1902
CF1903
CF1904
CF1905
CF1906
CF1907
CF1911
CF1914
CF1915
CF1917
CF1920
CF1923
CF1930
CF1931
CF1935
CF1941
CF1942
ALEW01
ALEW02
ALE01
ALE02
ALE03
Problems Tested (0)

No Contribution

Editorials Contributed (0)

No Contribution

2235
(Div 1)
★★★★★★
CodeChef Rating (Highest Rating 2249)
  • Inactive Global Rank
  • Inactive Country Rank

Badges

Contest Contender - Silver Badge

Contest Contender - Silver Badge

Received for participating in 25 Contests

Problem Solver - Gold Badge

Problem Solver - Gold Badge

Received for solving 500 Problems

Daily Streak - Silver Badge

Daily Streak - Silver Badge

Received for maintaining a streak of 25 days

Certificates

ADSA0006

Issued January 2019

View

Recent Activity

Fetching recent activity

Workden, MNR PRIDE, 14, HAL Old Airport Rd, Domlur I Stage, 1st Stage, DOMLUR, Bengaluru, Karnataka 560071 [email protected] +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
SQL for Data Analysis
Frontend Developer
Java Backend Developer
Data Analysis using Python
Python Backend Developer
C++ Developer

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
Contact us
Privacy Policy

© 2025 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.