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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 » Ayon Shahrier
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Ayon Shahrier

  • 7★serotonin
  •   Bangladesh
  • Student
  • University of Dhaka
  • No Active Plan. View Details

Submissions Heat Map

Rating Graph

No. of Contests Participated: 35
2553 (+24)RatingProvisional
Rating i Provisional Rating, click to know more
Starters 115 Division 1 (Rated)(2024-01-03 22:30:00)
Global Rank:   23
Cheated in:   

Ratings System Update

(2024-01-03 22:30:00)
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?
2461 (-5)RatingProvisional
Rating i Provisional Rating, click to know more
Starters 65 Division 1 (Rated for 5 & 6 stars)(2022-12-20 00:00:00)
Global Rank:   21
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)

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Practice Paths (0)

None

Contests (35)

February Challenge 2020 Division 1

Chef and Railway Stations, Expected Change, No Change Required, Long Contest and Cook Off Overlaps

April Challenge 2020 Division 1

Strange Number, Squared Subsequences, Perfect Power Divisors, Ready Bitwise, Factor Tree, Leaked Answers (Challenge)

May Challenge 2020 Division 1

Buying a New String, Triple Sort, Binary Land, Sorting Vases, Chef and Bitwise Product

January Cook-Off 2020 Division 2

Chef Chick, Exam Cheating, Profitable Paths, Range AND

March Cook-Off 2020 Division 1

Mysterious Sequence, Maximize Letter Beauty

May Cook-Off 2020 Division 1

Chef, Chefina and Their Friendship, Chefina on a Trip, Roads in Chefland

January Lunchtime 2020 Division 2

Construct Array, Bob and His Friends, Chef and Street Food, Under the Tunnels, Folding Paper

March Lunchtime 2020 Division 1 (Unrated)

Maximize LCM, Strip in a Tree!

April Lunchtime 2020 Division 1

Triangle Query

May Lunchtime 2020 Division 1

Escape One, Convert the String, Tree difference

July Cook-Off 2020 Division 1

Even-tual Reduction, OR-thodox Distinction

August Cook-Off 2020 Division 1

Red-blue Trees, Polygon Relationship

June Lunchtime 2020 Division 1

Maximum AND, Gold Mining, Square Submatrices

RECode 12.0 (Rated for all)

Chef and String, Chef and Walk, Chef and Rotation, Chef and Subsequences, Chef and Numbers

December Cook-Off 2020 Division 1

Self-Destructing Strings, Sed Passwords, Circle of Chaos, Carry All Fruits

October Cook-Off 2020 Division 1

Path-etic Sums, The In-XOR-able Task, Yet Another Crossover Episode

UWCOI 2021 (Rated for all)

Organisation, Array Swaps, Efficient Delivery, Hidden Numbers

July Cook-Off 2021 Division 1

Beautiful Subsequence, Mod Equality, Hidden Colored Graph

September Cook-Off 2021 Division 1

Chef and Pairwise Distances, Half Sequence, Fake Swaps

SnackDown 2021 - Online Qualifiers

Prefix as a Substring 2, Lucky Number, Maximum Number Of Distinct Elements, Minimise Difference

September Lunchtime 2021 Division 1

Interesting Representation, Subsequence LCS, Alice vs Bob Faceoff

October Cook-Off 2021 Division 1

Can You Reach The End, Find the Modulus, Chef Up, Permutation Sorting Game

SnackDown 2021 - Online Round 1A

Yet Another Flipping Problem, Round Robin Ranks , Dance Moves, Equal Beauty, Min Max LCM

SnackDown 2021 - Online Pre-Elimination

Non-Decreasing Subsequence of size K, Good ranking, Product Pain, Guests like slippers

SnackDown 2021 - Online Elimination Round (Rated for all)

Graduate Work Matters, Sorting Segments

July Cook-Off 2022 Division 1 (Rated)

Partition Queries, Segmentation Fault, Subsequence LCM

Starters 41 Division 1 (Unrated)

Equal Integers, Chef and Brain Speed, Chef and Chocolates, Black and White, Remove and Add, Is this priority or parity!, Path Parity, Parity Fun, Dearrange sorting, Determine the Winner

Starters 44 Division 1 (Unrated)

Palindromes Not Allowed, Alternating Strings, Atleast and Atmost, Dense Bracket Sequence

July Lunchtime 2022 Division 1 (Rated)

Tree Interval Queries, Inversions Retrieval, Tree Retrieval, Binary String Happiness, Consecutive XOR, Largest Family

Starters 50 Division 1 (Unrated)

Air Blimp, Permutation GCD, Beautiful Array, Sum Product Segments, Bad Tuples, Discount, Mileage matters, Add Subtract Equalize, Nearest Court, Average Permutation

Starters 51 Division 1 (Unrated)

Chef & Cook Game, Differentiation, Prefix Suffix And Or, Adjacent Xors, Split N, Copy and Paste, Final Population, Different Medians, TV Discount, Dominant Element

Starters 52 Division 1 (Unrated)

AI Analysing Code, Minimum Sum, WA Test Cases, Air Conditioner Temperature, K-Flip, Gritty Grid, Flipping Failure, Nil Xor

Starters 62 Division 1 (Rated for 5 & 6 stars)

Get the Segment, Strange BST, Joint XOR, Disjoint XOR, Sorted Substrings, Make Multiple, Pythagorean Pair

Starters 65 Division 1 (Rated for 5 & 6 stars)

Nahaane Jaa, Paisa Double, Binod, Gormint Aunty, Potato to Gold, Lazy Ancestors

Starters 71 Division 1 (Unrated)

Pet Store, Flip the Prefix, Unique Mode, Instagram, Snapchat, Expected Sum, Perfect Trio, Maximizing LCS, Smallest Difference

Starters 72 Division 1 (Rated till 5-Stars)

Indivisible, Apples and oranges, N Triplets, Good Sequence, Good Arrangement, Sum it, No sequence, Base or Bias, XOR Tree

Starters 73 Division 1 (Rated till 6-Stars)

Minimum OR Path, Find an integer, Consecutive Xor, First To Last, Hamiltonian Tree, Elevators

Starters 80 Division 1 (Rated till 5 stars)

Permutation Subsequence, Three-People Contests, c8kbf and Tree, Prefix Permutation, Eat Rock!

Starters 82 Division 1 (Rated till 6 stars)

Tree Game, Make Them Alike, Find eX, Difference Matrix

Starters 84 Division 1 (Rated till 6 Stars)

SUM OR, Max count of 1, Digit Operation, Chef And Adjacent Sums

Starters 85 Division 1 (Rated till 6 stars)

Crazy Bishops on Chessboard, Efficient PAN Linking, Tree Xor, GCD Queries, Bomb Blast, TripTastic

Starters 86 Division 1 (Rated for All)

Least Size, Minimum Operation, String Game , Largest Y

Starters 87 Division 1 (Rated till 6 Stars)

OR-XOR, Count the Permutations (always), Checkpoint, Inversions of subsequences, AB plus C, One or All

Starters 89 Division 1 (Rated till 5 Stars)

Positive or Negative Subarrays, Subarray Removal

Starters 100 Division 1 (Rated)

Prime Permutation, Stamps 100, Concussive Sequence, Ant

Starters 103 Division 1 (Rated till 6 Stars)

Cost Distribution, Squarified, X-Ray Grid, Chandelier, Unique xor, Divisible By 8

Starters 115 Division 1 (Rated)

Delete The Array, Subtraction Sequence I, Subtraction Sequence II, Greedy LIS Algorithm, Binary Grid Forces, Make All Zero

Starters 119 Division 1 (Rated till 6-Stars)

K Odd Sum, Unalike Gcd & Lcm, Guess Who Delivers

Starters 125 Division 1 (Rated till 6-Stars)

Bucket Game, Operating on A, Binary Minimal

Starters 133 Division 1 (Rated till 6-Star)

ABC Conjecture 3, Powered Parameters, Too Far For Comfort, Fireworks, Too Far For Comfort (Easy Version)

Starters 138 Division 1 (Rated till 6-Stars)

A power B mod C , TRIPLE PRIMES, K Subarray Products, Prefix Suffix Inequality, Breezy Mode Problem, Distinct Substring

Total Problems Solved: 274

2553
(Div 1)
★★★★★★★
CodeChef Rating (Highest Rating 2553)
  • Inactive Global Rank
  • Inactive Country Rank

Badges

Contest Contender - Silver Badge

Contest Contender - Silver Badge

Received for participating in 25 Contests

Problem Solver - Silver Badge

Problem Solver - Silver Badge

Received for solving 250 Problems

Daily Streak - Bronze Badge

Daily Streak - Bronze Badge

Received for maintaining a streak of 5 days

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