Shreyam Sarkar
- 3★darkhorse_2064
India- Student
- Government College of Engineering and Leather Technology, Kolkata West Bengal, India
- No Active Plan. View Details
Submissions Heat Map
Rating Graph
Ratings System Update
(2026-09-30 22:00:02)Ratings System Update
(2022-12-20 00:00:00)DSA Rating Graph
Ratings System Update
(2026-09-28 22:00:00)Learning Paths (5)
Learn SQL
Java Problem Solving
Learn Advance Java
Learn Java (Older version)
Learn C++
Practice Paths (4)
Contests (168)
August Challenge 2020 Division 2
Chef Wars - Return of the Jedi, Another Card Game Problem, Chef and Linear Chess
September Challenge 2020 Division 2
Chefina and Swap, A Problem on Sticks, Ada Matrix
July Lunchtime 2020 Division 2
Chef and Steps
August Cook-Off 2020 Division 2
Chef and Work
October Challenge 2020 Division 2
Positive AND, Replace for X, 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
Code Ensemble (Rated for Division 2)
Priya and AND
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, Team Name, Chef and Meetings, Prime Game, Maximise Function, Highest Divisor
April Challenge 2021 Division 2
Chef and Dice
International Coding Marathon 2021 Division 2 (Rated)
Lucky Boundaries
April Cook-Off 2021 Division 3
Passing Marks
April Lunchtime 2021 Division 3
Chef in Heaven , Bench Press, Equinox Strings, Array Rotation, Coldplay
SPYBITS IIT BHU Division 3 (Rated)
A - Save Water Save Life
April CodeChef Starters 2021 Division 3 (Rated)
Chef On Island, Hiring Test
May Lunchtime 2021 Division 3
Birthday Gifts, Hoop Jump, Tom And Jerry 1
May CodeChef Starters 2021 Division 3 (Rated)
Plagiarism, Lazy Chef, Correct Sentence
May Challenge 2021 Division 3 (Rated)
Xor Equality, Tic Tac Toe, Golf, Solubility
June Challenge 2021 Division 3 (Rated)
Minimum Dual Area, Shortest Route, Bitwise Tuples, Bella ciao, Summer Heat
June Lunchtime 2021 Division 3
From Rational to Binary, False Number, HTML Tags, Richie Rich
June CodeChef Starters 2021 Division 3 (Rated)
Total Correct Submissions, Chess Match, Cyclic Quadrilateral
July Challenge 2021 Division 3 (Rated)
XxOoRr, Maximum Production, Relativity
July Cook-Off 2021 Division 2
XOR-ORED, Mod Equality
July Lunchtime 2021 Division 2
Beautiful Pairs, Array Rotation Returns
CodeChef Starters 6 Division 3 (Rated)
Joker and Batman, Three Dices, Cricket Ranking
CodeChef Starters 7 Division 2 (Unrated)
Maximum Array Xor, Food Chain
August Challenge 2021 Division 2 (Unrated)
Special Triplets, Problem Difficulties, Olympics Ranking
August Cook-Off 2021 Division 2
Different String, Chef and Closure, Equal Difference
August Lunchtime 2021 Division 2
Just a Graph
CodeChef Starters 8 Division 2 (Unrated)
Penalty Shots
CodeChef Starters 9 Division 2 (Unrated)
Black cells in a chessboard, Large Square, Bus full of passengers
CodeChef Starters 10 Division 3 (Rated)
Hardest Problem Bet, Odd Repeat, Maximise the Subsequence Sum
AlgoManiac - Code For Future Division 3 (Rated)
Say No To Drugs, The Old Saint And Three Questions
September Challenge 2021 Division 3 (Rated)
Shuffling Parities, Airline Restrictions, Travel Pass
September Cook-Off 2021 Division 3
Cars and Bikes, Fake GCD, Adjacency Hatred
SnackDown 2021 - Online Qualifiers
Lucky Number
CodeChef Starters 11 Division 3 (Rated)
Find the Direction, The Two Dishes
CodeChef Starters 12 Division 3 (Rated)
Good Weather, Make it Divisible
CodeChef Starters 13 Division 3 (Rated)
Chef in Vaccination Queue, Maximum Light Up, The Preparations
CodeChef Starters 14 Division 3 (Rated)
Odd GCD, Diagonal movement, FIXFIX, RCB and Playoffs
October Challenge 2021 Division 3 (Rated)
Longest AND Subarray, Three Boxes, Which Mixture
September Lunchtime 2021 Division 3
Two Dishes, Vaccine Dates
CodeChef Starters 16 Division 3 (Rated)
Professor And Directions, Chef And Salary Pay, Pass or Fail
October Cook-Off 2021 Division 3
Chef and Pairing Slippers, Odd Sum, Average Flex
October Lunchtime 2021 Division 2
Chef and Water Car, Exactly N plus 1 Values
SnackDown 2021 - Online Round 1A
Round Robin Ranks , Dance Moves, Min Max LCM
SnackDown 2021 - Online Round 1B
Queens Placement , Largest Laddu
November Challenge 2021 Division 2 (Unrated)
Equal Coins
November Cook-Off 2021 Division 3
Disabled King, Odds and Evens, Missing Sums
CodeChef Starters 17 Division 2 (Rated)
GCD of Prefixes, New Piece
CodeChef Starters 19 Division 2 (Rated)
Indivisible Permutation
CodeChef Starters 20 Division 3 (Rated)
Stable Sequence, Genes, Chef and Pal
C.O.D.E.R.S Division 3 (Rated)
The One On The Last Night, The One with Russ, The One with All the Candy, The One Where It All Began
SnackDown 2021 - Elimination Parallel (Rated for Div 2)
Remove Element
December Cook-Off 2021 Division 3
Median Minimization, Two Rooks, Friends Meetup, Musical Chairs
December Lunchtime 2021 Division 3
Chef and Vacation Transportation , Chef Loves 1010, Maximum Trio, Romantic Reversals
CodeChef Starters 21 Division 2 (Rated)
Akash and Grid, And Or Union
CodeChef Starters 22 Division 2 (Rated)
An Interesting Sequence
Code Drive Division 2 (Rated)
Again XOR problem, Count Number of Peaks
January Long 2022 - I, Division 2 (Unrated)
Prime in a binary string
Exun 2021-22 Division 2 (Rated)
Sarthak and his Magic Grid, Vedant and his Hidden Array, Aujasvit and the Circle Game
January Cook-Off 2022 Division 2
Palindromes Not Allowed, Mean Maximization
CodeChef Starters 23 Division 3 (Rated)
Average of Three, Chef and Profits, Subarray Mex
January Lunchtime 2022 Division 3
Subarray permutations, Prefix Zeros, Chef and Subset Additions, Chef and Lockout Draws
CodeChef Starters 24 Division 2 (Rated)
Anti Palindrome, Avoid Contact, Divisors and Reciprocals, Yet Another Constructive Problem
CodeChef Starters 25 Division 2 (Rated)
Building Towers, Equal MEX, K Distinct Array, Points and Lines
February Long 2022 - II, Division 2 (Unrated)
Avoid Fixed Points
CodeChef Starters 28 Division 4 (Rated)
Chef and Instant Noodles, Permutation Xority, Self Defence Training, Car Choice, Qualify the round, Count the Holidays
March Long One 2022, Division 4 (Rated)
Substring of a Substring, Discus Throw
March Long Two 2022, Division 4 (Rated)
Chef and Races, Increase IQ, The Three Topics, The Rating Dilemma
CodeChef Starters 31 Division 4 (Rated)
Cup Finals, Group Assignment, Economics Class
CodeChef Starters 32 Division 4 (Rated)
Volume Control, Finding Shoes, Course Registration
April Cook-Off 2022 Division 4
Funny Hand, Email Reminders
CodeChef Starters 33 Division 4 (Rated)
The Cheaper Cab, Monthly Budget, Minimum Cars required, Non Adjacent Flips
April Long One 2022, Division 4 (Rated)
Ezio and Guards, The Cooler Dilemma 1, The Cooler Dilemma 2
CodeChef Starters 34 Division 4 (Rated)
Is the Score Consistent, Good Quality Bulbs, Positive Products, Expiring Bread
April Lunchtime 2022 Division 4(Rated)
Lunchtime, Mario and Transformation, Mario and Bullet
Starters 35 Division 4 (Rated)
Dark Light, 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
April Long Two 2022 Division 4 (Rated)
Sasta Shark Tank, Six Friends, Best Coupon
May Cook-Off 2022 Division 4 (Rated)
Chef and Gym, Chef and Masks
Starters 37 Division 4 (Rated)
The Mango Truck, Roller Coaster, Laptop Recommendation , Infernos
May Long One 2022 Division 4 (Rated)
Sugarcane Juice Business, 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, How many unattempted problems, Problems in your to-do list
Starters 39 Division 4 (Rated)
Compress the Video, Recent contest problems, My very 1st contest!, A or B, Chess Ratings
May Long Two 2022 Division 4 (Rated)
Practice makes us perfect, Score High, Total Prize Money, Degree of Polynomial
Starters 40 Division 4 (Unrated)
Difficulty Rating Order, Doubt Support Availability, Whatsapp Messages, Take discount or Not
July Cook-Off 2022 Division 4 (Rated)
Enough Space, Chef Drinks Tea, High Accuracy
Starters 41 Division 4 (Rated)
Equal Integers, Chef and Brain Speed, Chef and Chocolates, Path Parity, Determine the Winner
June Cook-Off 2022 Division 4 (Rated)
Rating Improvement, Playlist, Break the Stick
June Long Two 2022 Division 4 (Rated)
Count the ACs, Make all equal using Pairs, Complementary Strand in a DNA, Fitness
Starters 45 Division 4 (Rated)
Chef and his Apps, Best of Two, Adjacent Sum Parity, Change Row and Column Both
Starters 47 Division 4 (Rated)
Chef On Date, Construct N, Minimum Coins, Chess Time
July Lunchtime 2022 Division 4 (Rated)
Interior Design, The Last Levels, Easy Pronunciation, Yet Another Palindrome Making Problem, True and False Paper
Starters 48 Division 4 (Rated)
Buy Lamps, Fill The Grid, Passes for Fair, Fill Candies, Make Palindrome 2
Starters 49 Division 4 (Rated)
N Buttons 1 Bulb, Split The String, High Frequency, Is it hot or cold, Maximise the Tastiness, Valid Minimum
Starters 50 Division 3 (Rated)
Permutation GCD, Nearest Court
Starters 51 Division 3 (Rated)
TV Discount, Dominant Element
Starters 52 Division 4 (Rated)
AI Analysing Code, Minimum Sum, WA Test Cases, Air Conditioner Temperature
August Lunchtime 2022 Division 3 (Rated)
Candy Distribution, Equalizing Numbers, Easy Permutation
Starters 53 Division 3 (Rated)
Odd Pairs, Make A and B equal, Weights
Starters 54 Division 3 (Rated)
Equal Distinct, Ticket Fine
Starters 55 Division 3 (Rated)
Balls and Boxes, Mean and Median, Broken Phone
Starters 56 Division 3 (Rated)
Nearest Exit, Far Away
September Lunchtime 2022 Division 3 (Rated) (Based on EJOI)
Flip the cards, Stick Break, Permutation Creation
Starters 57 Division 3 (Rated)
Even Splits, Non-Negative Product
Starters 58 Division 3 (Rated)
Break the elements, Remove Bad elements
Starters 59 Division 3 (Rated)
Chef and Happy String , Suspense String, Confusing Concatenations
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 63 Division 3 (Rated)
Avoid Squares Please
Starters 64 Division 3 (Rated)
Mario and the Broken String, Luigi and Uniformity, Distinct Colors
Starters 65 Division 3 (Rated)
Nahaane Jaa, Candies, Hackerman
November Long 2022 Division 3 (Rated)
Split and Maximize, String Game
Starters 66 Division 3 (Rated)
Good Binary Strings, Just Like Mob!, Binary Battles, Monopoly in Chefland
Starters 67 Division 3 (Rated)
Maximum Angriness, Minimum Number of Ones, Counting Problem
Starters 68 Division 3 (Rated)
Expense List, Make AP, Make Money
Starters 69 Division 3 (Rated)
Akash and Dinner, Convert to permutation
Starters 70 Division 3 (Rated)
Cost of Groceries, Minimum distance between 1s, Prime Reversal
Starters 71 Division 3 (Rated)
Pet Store, Snapchat, Perfect Trio
December Long 2022 Division 3 (Rated)
Divisible by K, Reach fast, Maximise XOR
Starters 72 Division 4 (Rated)
Indivisible, Apples and oranges, N Triplets, Sum it
Starters 73 Division 3 (Rated)
Lucky Numbers
Starters 74 Division 4 (Rated)
Mana Points
February Cook-Off 2023 Division 4 (Rated)
Battery Health, Take Not Less, Bi_lindrome!, Permutation and Modulus, Netflix
Starters 77 Division 4 (Rated)
Tekken, Tom and Jerry Chase, Codechef Airlines
Starters 78 Division 3 (Rated)
Passing Marks
Starters 79 Division 3 (Rated)
Add smallest prime factor, Distinct Opposite Sums, Better Deal
Starters 80 Division 4 (Rated)
Just One More Episode, Single-use Attack, Running Comparison, Equal Elements
Starters 81 Division 4 (Unrated)
Divide Pages, Maximum Capacity, Sunny Day
Starters 82 Division 3 (Rated)
Reach Home
Starters 84 Division 4 (Rated)
Chef and Donation, Elections in Chefland, Max Binary, Melt Gold
Starters 85 Division 4 (Rated)
Efficient PAN Linking, Inside The Stadium, IPL Ticket Rush, Can Chef
Starters 86 Division 4 (Rated)
String Game , Cricket Match, Chef and Battery , CodeChef Learn Problem Solving, Maximise Score
Starters 87 Division 3 (Rated)
Return the Change, Existence
Starters 83 Division 4 (Rated)
Chef Eren, Budget of Technex, Couple Game
Starters 88 Division 3 (Rated)
Unstable Subarray, Largest and Second Largest
Starters 89 Division 3 (Rated)
Monopoly, Plus 2 or Minus 1, Positive or Negative Subarrays, DDMM or MMDD
Starters 90 Division 3 (Rated)
Crushed Apples and a Balance Scale, AP Free Sequences, Printing Binary Array, Anti Palindrome
Starters 91 Division 3 (Rated)
Odd GCD Permutation, Chef Odd, Blobby Volley Scores
Starters 92 Division 3 (Rated)
Rectangular Tiling, Distance Coloring, Dotify Playlist, Water Filling
Starters 93 Division 3 (Rated)
Break Free, 7 Rings, Problem
Starters 95 Division 3 (Rated)
Alt-Tab, Boxes, Transfusion Chain, EVacuate to Moon
Starters 96 Division 2 (Rated)
Swap the numbers, Remove Multiples
Starters 97 Division 2 (Rated)
Schrodinger Smiley
Starters 98 Division 3 (Rated)
3-Blast Palindrome, FIND A and B, Airport Management, Ball Distribution
Starters 99 Division 2 (Rated)
Card Swipe, Exclusion-Inclusion
Starters 104 Division 3 (Rated)
Santa and Chocolates, Pizza Cutting, GCD and LCM
Starters 106 Division 3 (Rated)
Chef Fantasy 11, Playing with OR, Guess the winner!
Starters 109 Division 3 (Rated)
Minimum XOR, Best of N Sets, Worth of a Video
Starters 110 Divison 3 (Rated)
Water Park, Airlines, Marbles, Am I Lucky!
Starters 111 Divison 3 (Rated)
Prefixing, Beautiful Strings, Reach Codetown, Exams
Starters 113 Division 3 (Rated)
Maximum Score , Sum Neq , Make N Zero
Starters 115 Division 3 (Rated)
Decorating Christmas Tree, Chocolate Distribution
Starters 116 Division 3 (Rated)
Hattrick, Access Control
Starters 254 (Rated)
Inversions II, Alternate Adding, Good Subset, Three Player Game, Reach Weight, Maximum Sum, Good Subset (Easy)
Starters 255
Monotone Median, Additive Dissonance, Splash Damage, SuBalance, Coin Mining
Starters 257 (Rated)
Fumigation, Smoothen, Lit Up, Fall Prevention
Starters 258 (Rated)
Shuffle (Easy), Shuffle (Hard), MEX Game (Easy), MEX Game (Hard), Seating, Staircase Edits
Monday Munch - DSA Challenge 019 (Rated)
Balance the Towers, Fibonacci Numbers Range Sum, Sum at Even Indices, Astra Benchmark, Bit Eater, Dish Battle
Monday Munch - DSA Challenge 020 (Rated)
Ticket Queue, Best Seat, Missing Numbers, Gift Packs
Monday Munch - DSA Challenge 021 (Rated)
Longest Balanced Binary Substring, Couples Together, Quantum Chips, Maximum Dance Partners
Monday Munch - DSA Challenge 022 (Rated)
Distance to Nearest 0, Matrix Element Match, Equal Reservoir Levels, Minimum String Weight, Exam Result, Discount