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Programming and DSA

Learn to think like a programmer. Develop your problem-solving skills with essential data structures and algorithms.

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Programming and DSA

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Programming and DSA

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Practice Compete Compiler
Home » Jaman khan
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Jaman khan

  • 4★jaman_12
  •   Bangladesh
  • Student
  • Institute of Science and Technology, Dhaka Bangladesh
  • No Active Plan. View Details

Submissions Heat Map

Rating Graph

No. of Contests Participated: 93
1894 (+29)RatingProvisional
Rating i Provisional Rating, click to know more
Starters 172 (Rated)(2025-02-05 22:00:02)
Global Rank:   265
Cheated in:   

Ratings System Update

(2025-02-05 22:00:02)
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How the rating system works?
1694 (+3)RatingProvisional
Rating i Provisional Rating, click to know more
Starters 64 Division 2 (Rated)(2022-12-20 00:00:00)
Global Rank:   190
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)

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Practice for ZCO and INOI

3%
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Rise from 3* to 4*

3%

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

Total Problems Solved: 335

1894
(Div 2)
★★★★
CodeChef Rating (Highest Rating 1939)
  • 3050 Global Rank
  • 87 Country Rank

Badges

Contest Contender - Gold Badge

Contest Contender - Gold Badge

Received for participating in 50 Contests

Problem Solver - Silver Badge

Problem Solver - Silver Badge

Received for solving 250 Problems

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