rajan chouhan
- rajan_2531
India- Student
- RCC Institute of Information Technology, Kolkata
- No Active Plan. View Details
Submissions Heat Map
Learning Paths (0)
Practice Paths (1)
Contests (89)
July Challenge 2020 Division 2
Chef and Strings
August Challenge 2020 Division 2
Chef Wars - Return of the Jedi, Chef and Linear Chess
September Challenge 2020 Division 2
A Problem on Sticks
August Lunchtime 2020 Division 2
Mode of Frequencies
June Lunchtime 2020 Division 2
Chef and Demonetisation, Increasing Decreasing, Gold Mining
October Challenge 2020 Division 2
Covid Run, Chef and Easy Queries
November Challenge 2020 Division 2
Ada and Dishes
December Challenge 2020 Division 2
Positive Prefixes, Even Pair Sum, Vaccine Production, Vaccine Distribution
December Cook-Off 2020 Division 2
Minimum Attendance Requirement
December Lunchtime 2020 Division 2 (Unrated)
Sed Sequences
November Cook-Off 2020 Division 2
Chef and IPC Certificates
October Lunchtime 2020 Division 2
AND Plus OR
November Lunchtime 2020 Division 2
Gasoline Introduction
UWCOI 2021 (Rated for all)
Hidden Numbers
Byterace IIT Patna Division 2 (Rated)
The Begining Era Of Cyberverse
January Challenge 2021 Division 3
Fair Elections, Chef and Division 3, Point Of Impact, Encoded String
January Lunchtime 2021 Division 3 (Unrated)
Ashishgup and Interviews, Pair Me, Even Differences, Even Sum
February Challenge 2021 Division 3
Frog Sort, Chef and Meetings, Maximise Function, Highest Divisor
February Lunchtime 2021 Division 3
Daanish and Problems, Palpal Strings, Smallest Possible Whole Number, Coprime Range
CodeChef Div 3 Rated Contest 2021 Division 3
Body Mass Index, Total Score
February CodeChef Starters 2021 Division 2 (Unrated)
Maximum Value, College Life 2, Chef and Coupon
March Challenge 2021 Division 2
Interesting XOR!, Space Arrays
July Cook-Off 2021 Division 2
XOR-ORED, Mod Equality
July Lunchtime 2021 Division 2
Beautiful Pairs
August Challenge 2021 Division 2 (Unrated)
Chef and Bulb Invention, Problem Difficulties, Olympics Ranking
August Cook-Off 2021 Division 2
Equal Difference
August Lunchtime 2021 Division 3
K-th Maximum, Maximum Length Even Subarray, Programming Languages, Crossing Blocks, Just a Graph
CodeChef Starters 9 Division 2 (Unrated)
Black cells in a chessboard, Large Square
CodeChef Starters 10 Division 2 (Rated)
Maximise the Subsequence Sum, Remove One Element
September Challenge 2021 Division 2 (Unrated)
Shuffling Parities, Airline Restrictions, Travel Pass
September Cook-Off 2021 Division 2
Zebra Crossing, Fake Swaps, Adjacency Hatred
SnackDown 2021 - Online Qualifiers
Lucky Number, Maximum Number Of Distinct Elements
CodeChef Starters 11 Division 2 (Rated)
The Grid Fill Problem, Obtain the Sum
CodeChef Starters 13 Division 2 (Rated)
Chef in Vaccination Queue, Maximum Light Up, Magical Doors
October Challenge 2021 Division 2 (Unrated)
MEX-OR
October Cook-Off 2021 Division 2
Odd Sum, 01 Subsequence
SnackDown 2021 - Online Round 1A
Round Robin Ranks , Dance Moves, Min Max LCM
SnackDown 2021 - Online Round 1B
Queens Placement , Largest Laddu, Help Nishant
November Challenge 2021 Division 2 (Unrated)
Weird Palindrome Making, Hill Sequence, Equal Coins
November Cook-Off 2021 Division 2
Missing Sums
CodeChef Starters 17 Division 2 (Rated)
GCD of Prefixes, New Piece
CodeChef Starters 20 Division 2 (Unrated)
Stable Sequence
C.O.D.E.R.S Division 3 (Rated)
The One with Russ, The One Where It All Began
December Challenge 2021 Division 3 (Rated)
Valleys and Hills, List of Lists, Utkarsh and Placement tests
SnackDown 2021 - Elimination Parallel (Rated for Div 3)
Yet another subarray problem, Remove Element, Balance Zeroes and Ones, Car Range
December Cook-Off 2021 Division 2
Median Minimization, Musical Chairs
December Lunchtime 2021 Division 2
Maximum Trio, Romantic Reversals
CodeChef Starters 21 Division 2 (Rated)
Akash and Grid
CodeChef Starters 22 Division 2 (Rated)
An Interesting Sequence, Even Subset Xor, Equal LIS
Exun 2021-22 Division 2 (Rated)
Sarthak and his Magic Grid, Vedant and his Hidden Array
January Cook-Off 2022 Division 2
Palindromes Not Allowed, Mean Maximization, Subsegment Divisibility , Merged LIS
CodeChef Starters 23 Division 2 (Unrated)
Average of Three
CodeChef Starters 24 Division 2 (Rated)
Anti Palindrome, Avoid Contact, Divisors and Reciprocals, Yet Another Constructive Problem
March Cook-Off 2022 Division 2
Janmansh at Fruit Market
CodeChef Starters 31 Division 2 (Rated)
XOR and AND, Alternating String, Sign Moves, The Unchanging OR
March Lunchtime 2022 Division 3
Sad Splits, Minimum number of coins, Buy 2 Get 1 Free, Adjacency Love
CodeChef Starters 32 Division 2 (Rated)
Maximize the Minimum, Finding Shoes
Starters 35 Division 4 (Rated)
Water Requirement, Police and Thief, Jenga Night
Starters 36 Division 4 (Rated)
Who is taller!, Presents for Cheffina, Chef and Chapters, Chef and Bird farm
Starters 37 Division 4 (Rated)
The Mango Truck, Roller Coaster, Laptop Recommendation
May Long One 2022 Division 4 (Rated)
Mystical Numbers, Pushpa , Sugarcane Juice Business, The Attack of Queen, Football Cup, Miami GP
Starters 38 Division 4 (Rated)
Chef gives Party, Get Subscription, Dominant Army, Circular Track
May Lunchtime 2022 Division 4 (Rated)
Bucket and Water Flow , Apples and Oranges, Maximum Pairwise Modular Sum, How many unattempted problems, Problems in your to-do list
May Long Two 2022 Division 4 (Rated)
Practice makes us perfect, Xor Palindrome, Score High, Total Prize Money, Make them Zero, Degree of Polynomial
Starters 40 Division 4 (Unrated)
Difficulty Rating Order, Infinity Staircase, Doubt Support Availability, Or Permutation, Good Pairs, Whatsapp Messages, Take discount or Not
July Cook-Off 2022 Division 3 (Rated)
Permutation And Median, Xor Permutation, High Accuracy
Starters 41 Division 4 (Rated)
Equal Integers, Chef and Brain Speed, Chef and Chocolates, Remove and Add, Is this priority or parity!, Path Parity, Determine the Winner
June Cook-Off 2022 Division 3 (Rated)
Break the Stick, First and Last
Starters 42 Division 3 (Rated)
Minimum or Maximum, Divisible by 3, How Many Maximums, Minimum number of Flips
Starters 44 Division 2 (Rated)
Dense Bracket Sequence
June Lunchtime 2022 Division 3 (Rated)
Zero Ones Equal One Zeros, The Lost Array, Too many Floors, Equal by XORing
Starters 45 Division 3 (Rated)
Even Equal Odd, Chef and his Apps, Retrieve the Array, Adjacent Sum Parity, Change Row and Column Both
Starters 46 Division 3 (Rated)
Sort the String, MATH1 Enrolment, Group Assignment
July Lunchtime 2022 Division 3 (Rated)
The Last Levels, Easy Pronunciation, Yet Another Palindrome Making Problem, Maximum Median Matching
Starters 48 Division 3 (Rated)
Buy Lamps, Fill The Grid, Positive array
Starters 49 Division 2 (Rated)
Split The String, High Frequency, Monks, Valid Minimum
Starters 50 Division 2 (Rated)
Permutation GCD, Average Permutation
Starters 51 Division 2 (Rated)
Split N
Starters 52 Division 2 (Unrated)
Minimum Sum, WA Test Cases
August Lunchtime 2022 Division 2 (Rated)
Easy Permutation
Starters 54 Division 3 (Rated)
Equal Distinct, Ticket Fine, Team of Two
Starters 55 Division 2 (Rated)
Balls and Boxes, Mean and Median
Starters 56 Division 2 (Rated)
Maximize Colours
September Lunchtime 2022 Division 3 (Rated) (Based on EJOI)
Flip the cards, Equalize AB, Stick Break, Permutation Creation
Starters 57 Division 3 (Rated)
Even Splits, Non-Negative Product, Two Different Palindromes
Starters 58 Division 3 (Rated)
Break the elements, Remove Bad elements
Starters 60 Division 3 (Rated)
Paper Cutting, Palindrome Flipping, Card Removal
Starters 61 Division 3 (Rated)
Minimise LCS, Different Consecutive Characters , Odd Sum Pair
Starters 62 Division 3 (Rated)
Sorted Substrings, Make Multiple, Final Sum, X Jumps, Test Score
Starters 65 Division 2 (Rated)
Nahaane Jaa, Candies
Starters 81 Division 2 (Unrated)
Divide Pages
Starters 84 Division 2 (Rated)
Max count of 1, Max Binary
Starters 85 Division 3 (Rated)
Crazy Bishops on Chessboard, Efficient PAN Linking, Inside The Stadium, Can Chef
Starters 88 Division 3 (Rated)
Unstable Subarray, Largest and Second Largest
Starters 98 Division 3 (Rated)
FIND A and B, Airport Management, Ball Distribution
Starters 99 Division 3 (Rated)
Card Swipe, Endless Appetizers, Exclusion-Inclusion
Starters 100 Division 3 (Rated)
Stamps 100, Trade Surplus, Chocolate Distribution
Starters 102 Division 2 (Rated)
Bit Play
Starters 104 Division 3 (Rated)
Santa and Chocolates, Pizza Cutting, GCD and LCM
Starters 105 Division 3 (Rated)
Dracula Eats, Take it Easy, Dull Operation
September Short 2023 Division 3 (Unrated)
GCD Discount, Lucky Seven, Slow Start, Mixing Extraordinaire
SQL Contest (Unrated)
First Problem on SQL
Starters 178 (Rated)
Placing 01 And 10