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 » Swapnil Mahajan
user profile

Swapnil Mahajan

  • 5★swapnil159
  •   India
  • Professional
  • Google
  • No Active Plan. View Details

Submissions Heat Map

Rating Graph

No. of Contests Participated: 104
2106 (-43)RatingProvisional
Rating i Provisional Rating, click to know more
Starters 156 (Rated till 6 stars)(2024-10-16 22:00:00)
Global Rank:   245
Cheated in:   

Ratings System Update

(2024-10-16 22:00:00)
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?
2224 (-101)RatingProvisional
Rating i Provisional Rating, click to know more
May Lunchtime 2022 Division 1 (Rated)(2022-12-20 00:00:00)
Global Rank:   58
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 (2)

learn-icon

Prepare for ICPC - Past Year Problems

1%
learn-icon

Practice for ZCO and INOI

2%

Contests (104)

February Challenge 2017

Chef and His Apartment Dues

March Challenge 2017

Xenny and Alternating Tasks, Bear and Extra Number, (CH) Bear and Sorted Rows, Bandwidth of a matrix

February Cook-Off 2017

Download file

April Challenge 2017

Dish Of Life, Bear and Row 01, Similar Dishes

May Challenge 2017

Chef and his daily routine, Courses in an university, Median of adjacent maximum numbers

June Challenge 2017

A Good Set, Chef and the Feast, Xenny and Coin Rankings, Triplets, Pairwise union of sets

July Challenge 2017

Chef and Sign Sequences, Whats in the Name, Calculator

August Long Challenge 2017

Chef and Rainbow Array, Chef and Mover, Palindromic Game, Greedy Candidates

September Challenge 2017

Sereja and Commands, Chef and Pick Digit, Minimum Good Permutation, Little Chef and Sums

October Challenge 2017

Chef and a great voluntary Program, Chef and Cycled Cycles, Max Mex, Counter Test For CHEFSUM, A Balanced Contest

November Challenge 2017

Chef Hates Palindromes, Chef goes Left Right Left, Periodic Palindrome Construction, Villages and Tribes

April Cook-Off 2017

Bear and Candies 123, Bear and AB

June Cook-Off 2017

Ada and crayons, SnackUp

August Cook-Off 2017

From heaven to earth

November Cook-Off 2017

Online Chess, Random Pair

December Cook-Off 2017

Beautiful Array, Football Match

March Lunchtime 2017

Bear and Ladder

April Lunchtime 2017

Bear and Segment 01

May Lunchtime 2017

Prefix Inversions

June Lunchtime 2017

Two Numbers

August Lunchtime 2017

Mathison and pangrams

October Lunchtime 2017

Buggy Calculator

November Lunchtime 2017

Smart Strategy

December Lunchtime 2017

Days in Month, Strange Function

International Coding League (Rated)

Cards Game

IOPC 2017 (Rated)

Max Out

January Challenge 2018

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

January Cook-Off 2018

Multiple of 3, Survive in ChocoLand

January Lunchtime 2018

Chef and Game with Sequence

February Challenge 2018

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

International Coding League (Rated)

Matrix Game, Stingy Strings, Maze Love

February Cook-Off 2018

Chef and Cook-Off, Chef and Tuples, Chef and Line

March Challenge 2018 DIV 1

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

March Cook-off 2018 Division 1

Chef Goes to the Cinema, Chef Restores a Matrix

April Cook-off 2018 Division 1

Binary Nim

June Cook-Off 2018 Division 1

Good Permutations

July Cook-Off 2018 Division 1

OR Matrix

August Cook-Off 2018 Division 1

GukiZ and Candies

October Mega Cook-Off 2018 Division 1

Binary Nim 2, Pumping Water

November Cook-Off 2018 Division 1

Beautiful Garland

December Cook-Off 2018 Division 1

Yalalovichik Numbers

June Challenge 2018 Division 1

Binary Shuffle

July Challenge 2018 Division 1

Reach Equilibrium, No Minimum No Maximum, Gears, Magic Set, Strike or Spare

August Challenge 2018 Division 1

Modular GCD, Sheokand and Number

June Lunchtime 2018 Division 1

Sort the Leaves, Summary Power, Counting Pretty Numbers

August Lunchtime 2018 Division 1

Chef and Eid, Mix Mix Game

September Lunchtime 2018 Division 1

Opposite Cites, Chef Restaurant

November Lunchtime 2018 Division 1

Useful Number

October Lunchtime 2018 Division 1

Coloring the Grid, Weird Question

ALKHWARIZM (Rated)

Help Voldemort, Sam, The Charming Angel

Code Melange (Rated)

The Deadly Sin, Candy Love

Coders' Legacy 2018 (Rated)

Useless Clocks, Fibonacci String

Quick Code (Rated for Division 2)

Immortal Frieza, Majin Vegeta

ProCon Junior (Rated for Division 2)

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

ProCon 2018 (Rated for all)

The Great Run, Kill them with your success

December Lunchtime 2018 Division 1

Choosing from Buckets, Age Calculator

January Cook-Off 2019 Division 1

Ada School

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

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

February Cook-Off 2019 Division 1

Max Range Queries, Chef and Secret Password, Chef and Party

March Challenge 2019 Division 1

Chef and Soccer, Cheating on Queue, Yet Again a Subarray Problem, (Challenge) Interleaving Strings

March Cook-Off 2019 Division 1

XOR N-bonacci Sequence, Markers and Caps

March Lunchtime 2019 Division 1

Corrupted Seven-Segment Display

Coders' Legacy 2019 (Rated for all)

Bathwater, IPL and RCB

April Challenge 2019 Division 1

Offer for Chef, Kira Loves Palindromes, Playing with Numbers, Subtree Removal

April Cook-Off 2019 Division 1

Random Game, Pied Piper vs Hooli

April Lunchtime 2019 Division 1

Dream Problem, Firdavs and Planet F, Minimum Sum

June Lunchtime 2019 Division 1

Igzi and Burly Array

July Cook-Off 2019 Division 1

Birthday Gift Again

July Lunchtime 2019 Division 1 (Unrated)

Delete a Subarray

August Challenge 2019 Division 1

Guddu and his Mother, Encoding, Dilemma, Chef and Gordon Ramsay, Football, Distribute Apples, Zombie and the Caves

September Lunchtime 2019 Division 1

All Substrings, Treeversion, Find the Sum

December Lunchtime 2019 Division 1

The Evil Professor, Guess the number

International Coding League 2019 (Rated for Division 2)

FlatLand

Alkhwarizm (Rated for all)

Weirwood Trees, Danny Wants To Know

March Cook-Off 2020 Division 1

Mysterious Sequence, Maximize Letter Beauty

April Cook-Off 2020 Division 1

Simple Operations

May Cook-Off 2020 Division 1

Roads in Chefland

February Lunchtime 2020 Division 1

Swapping to Palindrome, Secret Mission

March Lunchtime 2020 Division 1 (Unrated)

Strip in a Tree!

May Lunchtime 2020 Division 1

Convert the String, Tree difference

Exun Programming Prelims 2019 (Rated for all)

Weird Modulo Problem , Tennis Tournament, Chipped Tree, Yet Another Partition Problem

UWCOI 2020 (Rated for all)

Button Pairs, Base Plans, Find maximum in an Array, Mercury Poisoning

July Cook-Off 2020 Division 1

What Is This, a Crossover Episode, Even-tual Reduction, OR-thodox Distinction, Path-etic Products

August Cook-Off 2020 Division 1

Red-blue Trees, Polygon Relationship

June Cook-Off 2020 Division 1

Per Capita Income, Checkpoints, Banned Quotient

June Lunchtime 2020 Division 1

Maximum AND, Gold Mining, Square Submatrices

December Cook-Off 2020 Division 1

Self-Destructing Strings, Circle of Chaos

November Cook-Off 2020 Division 1

Flip the String, Chef and IPC Certificates, Graph Construction, Hiring Workers

Coders' Legacy (Rated for all)

Chef vs Doof, Doof on Cartesian, Doof fires Brackets

Code Ensemble (Rated for Division 2)

Cherry and Bits, Priya and AND, Traversing Trees, Help Martha

March Cook-Off 2021 Division 1

Consecutive Deletions, Chef and Sorting

May Lunchtime 2021 Division 1

Total Components

May Challenge 2021 Division 1 (Unrated)

Valid Paths, Xor Equality, Tic Tac Toe, Modular Equation

June Challenge 2021 Division 1 (Unrated)

Minimum Dual Area, Shortest Route, Bitwise Tuples, Bella ciao, Summer Heat, Minimum Subtree Cover

July Lunchtime 2021 Division 1

Longest Good Segment

August Challenge 2021 Division 1 (Unrated)

Special Triplets, Olympics Ranking

SnackDown 2021 - Online Qualifiers

Lucky Number

SnackDown 2021 - Online Round 1A

Yet Another Flipping Problem

SnackDown 2021 - Online Round 1B

Yet Another Flipping Problem 2, Queens Placement , Largest Laddu, Help Nishant

SnackDown 2021 - Online Pre-Elimination

Good ranking, Product Pain, Guests like slippers

SnackDown 2021 - Online Elimination Round (Rated for all)

Sorting Segments

December Cook-Off 2021 Division 1

RGB Construction

December Lunchtime 2021 Division 1

In-tree-active Node Coloring, Optimal Sorting, Romantic Reversals, Sleep Technique

Infinity 2k21 Division 2 (Rated)

Marbles, Ddakji, Tug of War, Escape Plan, Dalgona Treat

January Long 2022 - II, Division 1 (Unrated)

Crying Colours

January Lunchtime 2022 Division 1

Permutation XOR Sum

March Cook-Off 2022 Division 1

Dragonado And XOR, Alternating Divisibility

CodeChef Starters 32 Division 1 (Unrated)

Maximize the Minimum, Finding Shoes, Flip Sorting

April Cook-Off 2022 Division 1

Chef Goes Shopping, Sorted Distances

April Lunchtime 2022 Division 1(Rated)

Do Not Touch the MEX!!!, Secret Machine Mania

May Lunchtime 2022 Division 1 (Rated)

Balanced 0-1 Tree, Equal After And

August Long 2022 Division 1 (Unrated)

Angled Flip, XOR with smallest element, Hello Equation

Starters 54 Division 1 (Unrated)

Subarray Game

October Long 2022 Division 1 (Unrated)

Binary Substituition

Starters 70 Division 1 (Rated till 6-stars)

X AND Y Tree, Prime Reversal, Frequency Array Retrieval

Starters 89 Division 1 (Rated till 5 Stars)

Positive or Negative Subarrays

Starters 154 (Rated till 6 stars)

Tree Cut Xor, Count Winning Subarrays, Triangle Count (Easy)

Starters 155 (Rated till 5 stars)

GCD to 1 (Hard), Replace With First, Prefix Suffix Min Max

Starters 156 (Rated till 6 stars)

Partition Score

Total Problems Solved: 1057

2106
(Div 1)
★★★★★
CodeChef Rating (Highest Rating 2227)
  • 884 Global Rank
  • 462 Country Rank

Badges

Contest Contender -  Diamond Badge

Contest Contender - Diamond Badge

Received for participating in 100 Contests

Problem Solver - Diamond Badge

Problem Solver - Diamond Badge

Received for solving 1000 Problems

Daily Streak - Bronze Badge

Daily Streak - Bronze Badge

Received for maintaining a streak of 5 days

Certificates

MNTPG20A

Issued August 2020

View

ADSA0010

Issued October 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.