Jaman khan
- 4★jaman_12
Bangladesh- Student
- Institute of Science and Technology, Dhaka Bangladesh
- No Active Plan. View Details
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Ratings System Update
(2025-02-05 22:00:02)Ratings System Update
(2022-12-20 00:00:00)Learning Paths (0)
Practice Paths (2)
Contests (93)
CodeChef Starters 19 Division 3 (Rated)
Chef and Contest, Sleepy Chef, Indivisible Permutation
December Lunchtime 2021 Division 3
Chef and Vacation Transportation , Chef Loves 1010
CodeChef Starters 21 Division 3 (Rated)
Devendra and Water Sports, Akash and Grid, Covid and Theatre Tickets
CodeChef Starters 22 Division 3 (Rated)
An Interesting Sequence, Equal Card Game, Elections in Chefland
Code Drive Division 3 (Rated)
Game between friends, Favourite String of Chef
Exun 2021-22 Division 3 (Rated)
Vishesh and his Popcorn Combo, Sarthak and his Magic Grid, Vedant and his Hidden Array
January Cook-Off 2022 Division 3
Palindromes Not Allowed, Mean Maximization, Subsegment Divisibility , Mask Policy, Hungry Ashish
CodeChef Starters 23 Division 2 (Unrated)
Average of Three, Subarray Mex
January Lunchtime 2022 Division 2
Subarray permutations
CodeChef Starters 24 Division 2 (Rated)
Anti Palindrome, Avoid Contact, Yet Another Constructive Problem
February Long 2022 - I, Division 2 (Unrated)
Binary Base Basics, N Queens Puzzle Solved !
CodeChef Starters 25 Division 2 (Rated)
Equal MEX, Points and Lines
February Cook-Off 2022 Division 3
Lazy Salesman, Peaceful Party, Prefix Permutation
February Long 2022 - II, Division 3 (Rated)
Avoid Fixed Points, World Chess Championship, Chef and NextGen, Xor Palindrome
CodeChef Starters 26 Division 3 (Rated)
Careless Chef, Count the Notebooks, Hostel Room, Control the Pollution
CodeChef Starters 27 Division 3 (Rated)
Distinct Binary Strings, Too many items, Blackjack, The product mystery
March Long One 2022, Division 2 (Unrated)
Akash and Function, Substring of a Substring, Exact Marks
CodeChef Starters 30 Division 2 (Rated)
Minimum Coloring, Gift Shop and Coupon, Balanced Reversals
March Cook-Off 2022 Division 3
Janmansh and Games, Janmansh at Fruit Market, Equal Mex Splitting, Alternating Divisibility
March Lunchtime 2022 Division 2
Sad Splits, Adjacency Love
Starters 38 Division 2 (Rated)
Circular Track
Starters 40 Division 3 (Unrated)
Difficulty Rating Order, Infinity Staircase, Good Pairs, Take discount or Not
Starters 41 Division 3 (Rated)
Equal Integers, Is this priority or parity!, Path Parity, Determine the Winner
June Cook-Off 2022 Division 3 (Rated)
Simple XOR, Break the Stick, First and Last
Starters 42 Division 3 (Rated)
Minimum or Maximum, Divisible by 3, How Many Maximums, Minimum number of Flips
June Long One 2022 Division 3 (Rated)
Reduce to zero, Subscriptions, Divisible by i , Possible GCD, Alternate Additions, Equal Strings
Starters 44 Division 3 (Rated)
Dense Bracket Sequence, The Attack of Knight, Jogging
Starters 43 Division 3 (Rated)
The Optimal Pairs, DNA Storage, Distinct Palindrome, Joining Date
June Lunchtime 2022 Division 3 (Rated)
Zero Ones Equal One Zeros, Too many Floors
June Long Two 2022 Division 3 (Rated)
Count the ACs, Make all equal using Pairs, Complementary Strand in a DNA, Reversal Sorting, Strong Elements
July Long One 2022 Division 3 (Rated)
Journey of the Knight, Game of Piles Version 1, Slow Solution, Pass the Exam, Chef and Candies
Starters 49 Division 3 (Rated)
N Buttons 1 Bulb, Split The String, High Frequency, Monks, Valid Minimum
Starters 50 Division 2 (Rated)
Permutation GCD, Average Permutation
Starters 51 Division 3 (Rated)
Split N, Copy and Paste, Different Medians, TV Discount, Dominant Element
August Long 2022 Division 2 (Unrated)
Hello Equation, Two Trains
Starters 52 Division 2 (Unrated)
WA Test Cases
August Lunchtime 2022 Division 2 (Rated)
Easy Permutation, Array Equality
Starters 53 Division 2 (Rated)
Black&White Ring Game, Make A and B equal, Queen Blocks
Starters 54 Division 2 (Unrated)
Equal Distinct, Number of Credits, Ticket Fine, Team of Two
Starters 55 Division 2 (Rated)
Balls and Boxes, Mean and Median
September Long 2022 Division 2 (Unrated)
Pokemon Battles, Interesting Subarray, Good Pairs
Starters 56 Division 2 (Rated)
K-Subarrays, Maximize Colours
September Lunchtime 2022 Division 2 (Rated) (Based on EJOI)
Stick Break, Permutation Creation
Starters 57 Division 2 (Unrated)
Maximum Expression, Even Splits, Two Different Palindromes
Starters 58 Division 2 (Unrated)
Break the elements, Add to Subsequence
Starters 59 Division 2 (Rated)
Maximum Subarray , Suspense String, Confusing Concatenations
Starters 60 Division 2 (Rated)
Distinct Numbers, Yet Another Palindrome Problem, Palindrome Flipping
Starters 61 Division 2 (Rated)
Minimise LCS, Subarray Removal
Starters 62 Division 2 (Rated)
Sorted Substrings, Make Multiple, Final Sum
Starters 63 Division 2 (Rated)
One-XOR Deletions, Make Length 1, Minimum Absolute Score
Starters 64 Division 2 (Rated)
Luigi and Uniformity, Range Assign, Number of Distinct Elements Minimize, Prime Factor Division, Distinct Neighbours
November Long 2022 Division 2 (Unrated)
Split and Maximize, Spliting Balls
Starters 71 Division 2 (Rated)
Pet Store
Starters 72 Division 2 (Rated)
N Triplets
Starters 80 Division 2 (Rated)
Permutation Subsequence, Prefix Permutation, Equal Elements
Starters 81 Division 2 (Unrated)
Divide Pages
Starters 82 Division 2 (Rated)
Make A-B Same, MIN To MAX
Starters 88 Division 2 (Rated)
Chef and Asteroids, Unstable Subarray
Starters 89 Division 2 (Rated)
Plus 2 or Minus 1, Positive or Negative Subarrays
Starters 90 Division 2 (Rated)
Printing Binary Array, Anti Palindrome
Starters 91 Division 3 (Rated)
Odd GCD Permutation, Chef Odd, Blobby Volley Scores, Maximum Sum Permutation
Starters 92 Division 2 (Rated)
Dotify Playlist
Starters 96 Division 2 (Rated)
Swap the numbers, Remove Multiples
Starters 97 Division 2 (Rated)
Schrodinger Smiley, No Palindrome, Triplets Min
Starters 98 Division 2 (Rated)
Airport Management, Ball Distribution
Starters 99 Division 2 (Rated)
Card Swipe, Exclusion-Inclusion
Starters 102 Division 2 (Rated)
Parity Permutation, Bit Play, Array Sum
Starters 103 Division 2 (Rated)
Unique xor, Divisible By 8, Dice Number
Starters 104 Division 2 (Rated)
Lexicographically Largest , Maximise Sum, GCD and LCM
Starters 105 Division 2 (Rated)
Take it Easy, Dull Operation, Wishcraft
Starters 106 Division 2 (Rated)
Playing with OR, Save People, Guess the winner!
Starters 107 Division 2 (Rated)
Maximal Expression, Rock Paper Scissor, OR Permutation
Starters 108 Division 2 (Rated)
Clan Expansion, Palindromic Prime Numbers
Starters 109 Division 2 (Rated)
Minimum XOR, Best of N Sets, Alter Ego, Chroma Swap
Starters 112 Division 2 (Rated)
Cursed Indices, 3 Logicians Walk into a Bar, Max Nutrition
Starters 113 Division 2 (Rated)
Minimise Maximum Subarray Sum, Maximum Score , Sum Neq
Starters 114 Division 2 (Rated)
Rock-Paper-Scissors, Christmas Candy
Starters 115 Division 2 (Rated)
Greedy LIS Algorithm, Make All Zero, A PLUS B Remastered, Decorating Christmas Tree
Starters 116 Division 2 (Rated)
Chef Product, ORST , Access Control
Starters 117 Division 2 (Rated)
Equality Etiquette, Not Prime Permutation, Spell Shortening
Starters 119 Division 2 (Rated)
Cookie Day, Another Good String , K Odd Sum
Starters 120 Division 2 (Rated)
Find Permutation , Count Subarrays, Sub or Swp
Starters 121 Division 2 (Rated)
Frequal, Split And Maximize, Caesar Cipher Lite, Anti Adjacent Swaps
Starters 122 Division 2 (Rated)
Arya In Grid, Transformation Cost, Man of the Match
Starters 123 Division 2 (Rated)
Maximise Adjacent Sum, Check Adjacent Sum, Minimum And Maximum I, Yet Another Alice Bob Game, Minimum And Maximum II
Starters 124 Division 2 (Rated)
Binary Parity, Table Strength, Make It One
Starters 125 Division 2 (Rated)
Bucket Game, Fake Certificate, Binary Minimal
Starters 127 Division 2
ABC Conjecture, Superincreasing, Anti-Triangle
Starters 128 Division 2 (Rated)
Binary Substring, MEXimize the Array, Disjoint Non-Decreasing Array
Starters 129 Division 2 (Rated)
Ballon d Or
Starters 131 Division 2 (Rated)
K-Closeness, Dice Deception, Encrypt Value, T-Perm
Starters 132 Division 2 (Rated)
ALIEN-OR, Optimal Flip, Prime Query, GAME 11
Starters 133 Division 2 (Rated)
Powered Parameters, Maximum Alternating Sum
Starters 137 Division 2 (Rated)
Double Trouble, Large Differences
Starters 138 Division 2 (Rated)
A power B mod C , TRIPLE PRIMES, Prefix Suffix Inequality, Long Drive, Distinct Substring
Starters 139 Division 2 (Rated)
Maximum Distance Permutations
Starters 141 Division 2 (Rated)
Redundant Array, Amphibian Escape
Starters 142 Division 2 (Rated)
Chef loves Pizza Chef loves halfs, Array Removal, Number Hunt
Starters 143 Division 2 (Rated)
Non-Divisor Array, Binary Conversion
Starters 145 Division 2 (Rated)
Make Bob Win , Make My Array Equal
Starters 158 (Rated)
Largest Subsequence, XOR Smaller, Buying Game, Multiply 2 to Minimize
Starters 159 (Rated)
Crafty Coloring (Easy), Super Hero, Random Nim, Chess Colouring, Elections
Starters 161 (Rated)
Two Cards
Starters 172 (Rated)
Transform String, AndOr, Streak Star