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Practice Compete Compiler

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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 » Zakaria Sarker
user profile

Zakaria Sarker

  • 5★porahoto
  •   Bangladesh
  • Student
  • Shahjalal University of Science & Technology Sylhet, Bangladesh
  • No Active Plan. View Details

Submissions Heat Map

Rating Graph

No. of Contests Participated: 88
2006 (+2)RatingProvisional
Rating i Provisional Rating, click to know more
Starters 171 (Rated till 5 star)(2025-01-29 22:00:00)
Global Rank:   106
Cheated in:   

Ratings System Update

(2025-01-29 22:00:00)
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1777 (-17)RatingProvisional
Rating i Provisional Rating, click to know more
Starters 66 Division 2 (Rated)(2022-12-20 00:00:00)
Global Rank:   370
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
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Learning Paths (0)

None

Practice Paths (0)

None

Contests (88)

April Lunchtime 2020 Division 2

Chef in Fantasy League

June Challenge 2020 Division 2

Even Matrix, The Tom and Jerry Game!, Chef and Icecream, Chef and String, Chef and Price Control

July Challenge 2020 Division 2

Ada King, Missing a Point, Chef and Card Game, Chef and Strings

August Challenge 2020 Division 2

Chef Wars - Return of the Jedi, Another Card Game Problem, Chef and Linear Chess, Smallest KMP

September Challenge 2020 Division 2

A Problem on Sticks

July Cook-Off 2020 Division 2

Even-tual Reduction

July Lunchtime 2020 Division 2

Chef and Steps

October Challenge 2020 Division 2

Positive AND, Covid Run, Chef and Easy Queries

November Challenge 2020 Division 2

Restore Sequence, Ada and Dishes

December Challenge 2020 Division 2

Positive Prefixes, Even Pair Sum, Vaccine Production, Vaccine Distribution

December Cook-Off 2020 Division 2

Catch the Thief, Minimum Attendance Requirement

January Cook-Off 2021 Division 2

Prime Tuples

January Lunchtime 2021 Division 2 (Unrated)

Binary Subsequence, Even Differences, Even Sum

October Cook-Off 2020 Division 2

Split the Str Ing, Decreasing Srrnmieeda

InfInITy 2k20 Division 2 (Rated)

The One Who Knocks!

UWCOI 2021 (Rated for all)

Hidden Numbers

Byterace IIT Patna Division 2 (Rated)

The Begining Era Of Cyberverse, Cybalphabit

March Cook-Off 2021 Division 2

Matrix XOR

International Coding Marathon 2021 Division 2 (Rated)

Suffix Sort, Lucky Boundaries

April Cook-Off 2021 Division 2

OR of ANDs, Chocolate Monger

April Lunchtime 2021 Division 2

Chef in Heaven , Bench Press

SPYBITS IIT BHU Division 2 (Rated)

B - Valentine Couples, A - Save Water Save Life

May Cook-Off 2021 Division 2

The Last Problem, Chef and Subarrays

June Cook-Off 2021 Division 2

The Wave

June CodeChef Starters 2021 Division 2 (Unrated)

Total Correct Submissions, Sleep Cycle, Chess Match, Cyclic Quadrilateral

July Cook-Off 2021 Division 2

XOR-ORED, Mod Equality

August Cook-Off 2021 Division 2

Equal Difference

August Lunchtime 2021 Division 2

K-th Maximum, Crossing Blocks, Just a Graph

September Cook-Off 2021 Division 2

Zebra Crossing, Adjacency Hatred

SnackDown 2021 - Online Qualifiers

Lucky Number

September Lunchtime 2021 Division 2

Balanced and Unique Arrays, Yet another SOD problem

CodeChef Starters 17 Division 2 (Rated)

GCD of Prefixes, New Piece

January Cook-Off 2022 Division 2

Palindromes Not Allowed, Mean Maximization, Subsegment Divisibility

CodeChef Starters 24 Division 2 (Rated)

Anti Palindrome, Avoid Contact, Yet Another Constructive Problem

CodeChef Starters 25 Division 2 (Rated)

Building Towers, Equal MEX, Points and Lines

CodeChef Starters 34 Division 2 (Rated)

Binary Mismatch, Average Array, Binary String Xor

Starters 35 Division 2 (Rated)

Dark Light, Admins and Shopping

May Cook-Off 2022 Division 2 (Rated)

Doubled Distances

Starters 37 Division 2 (Rated)

Dazzling Even-Odd Challenge, Beat the Average, Infernos, Maximum OR Minimum

Starters 38 Division 2 (Rated)

Good Pairs, Average Gift, Circular Track

Starters 42 Division 2 (Rated)

Minimum or Maximum, Divisible by 3

June Lunchtime 2022 Division 2 (Rated)

Zero Ones Equal One Zeros, The Lost Array, Max Shift After XOR, XOR Times 2 Is Sum, Equal by XORing

Starters 57 Division 2 (Unrated)

Maximum Expression, Even Splits, Two Different Palindromes

Starters 59 Division 2 (Rated)

Maximum Subarray , Suspense String, Confusing Concatenations

Starters 62 Division 2 (Rated)

Sorted Substrings, Make Multiple, Final Sum

Starters 64 Division 2 (Rated)

Luigi and Uniformity, Range Assign, Number of Distinct Elements Minimize, Prime Factor Division, Distinct Neighbours

Starters 65 Division 2 (Rated)

Nahaane Jaa, Candies, Binod

Starters 66 Division 2 (Rated)

Good Binary Strings, Palindrome by Splitting, Just Like Mob!

Starters 70 Division 2 (Rated)

Minimum distance between 1s, Prime Reversal, Frequency Array Retrieval

Starters 71 Division 2 (Rated)

Pet Store, Flip the Prefix, Maximizing LCS

Starters 85 Division 2 (Rated)

Crazy Bishops on Chessboard, Efficient PAN Linking, Inside The Stadium, GCD Queries

Starters 86 Division 2 (Rated)

String Game , Largest Y, Maximise Score

Starters 87 Division 2 (Rated)

Inversions of subsequences, Existence, AB plus C

Starters 88 Division 2 (Rated)

Maximum And Or, Unstable Subarray

Starters 89 Division 2 (Rated)

Plus 2 or Minus 1, Positive or Negative Subarrays, Subarray Removal, Two Averages

Starters 90 Division 2 (Rated)

Crushed Apples and a Balance Scale, Printing Binary Array, Anti Palindrome

Starters 91 Division 2 (Rated)

Odd GCD Permutation, Chef Odd, Blobby Volley Scores, Maximum Sum Permutation

Starters 92 Division 2 (Rated)

Rectangular Tiling, Distance Coloring, Dotify Playlist

Starters 93 Division 2 (Rated)

Break Free, NASA, Problem

Starters 94 Division 2 (Rated)

CodeChef Streak, Possible or Not, The Vowel Matrix

Starters 95 Division 2 (Rated)

Boxes, Transfusion Chain, EVacuate to Moon

Starters 105 Division 2 (Rated)

Take it Easy, Dull Operation

Starters 106 Division 2 (Rated)

Playing with OR, Save People, Guess the winner!, Count Possibilities

Starters 107 Division 2 (Rated)

Rock Paper Scissor, OR Permutation

Starters 109 Division 2 (Rated)

Minimum XOR, Best of N Sets, Alter Ego, Chroma Swap

September Short 2023 Division 2 (Unrated)

Lucky Seven

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)

Spread Spree, Not Prime Permutation, Spell Shortening

Starters 122 Division 2 (Rated)

Arya In Grid, Transformation Cost, Matrix Modulo, 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 126 Division 2 (Rated)

Tree Distance Set, Freedom, Permutation Disturbance, Triangular Swaps

Starters 131 Division 1 (Rated till 5 Stars)

Encrypt Value

Starters 132 Division 2 (Rated)

ALIEN-OR, Optimal Flip, GAME 11

Starters 138 Division 2 (Rated)

A power B mod C , TRIPLE PRIMES, Prefix Suffix Inequality, Long Drive, Distinct Substring

Starters 140 Division 2 (Rated)

Make Permutation, Split Permutation, Trick Or Treat, Break The String, Tree Removal

Starters 142 Division 1 (Rated till 5-Stars)

Array Removal, Number Hunt

Starters 146 Division 2 (Rated till 5 stars)

Bouncing Ball, Permutation Construction, Knockout tournament

Starters 149 (Rated till 5 stars)

Maximise Sum, Chef Loves Beautiful Strings (Easy Version)

Starters 152 (Rated)

Maximize Hamming Distance, Anti-Palindrome Queries, Range Minimize

Starters 155 (Rated till 5 stars)

GCD to 1 (Hard), Replace With First, Prefix Suffix Min Max

Starters 156 (Rated)

Partition Score, Even Numbers Hate

Starters 161 (Rated)

Temporary Temperature, Red-Blue Sort, One To Three, Two Cards, Quick Exit

Starters 163 (Rated till 5 stars)

Tree Sum is Fun !, Nice Array, Sort Them, Lexio Swap

Starters 167 (Rated till 5 stars)

Lottery Tickets, Grid Construction (Odd)

Starters 168 (Rated)

No Two Alike, Binary Removals, Make Odd

Starters 169 (Rated)

Constant Subsequence, Hamming equivalent, Make K Most Frequent

Starters 171 (Rated till 5 star)

White Wall, Volcanic Eruption

Total Problems Solved: 290

2006
(Div 1)
★★★★★
CodeChef Rating (Highest Rating 2027)
  • 1792 Global Rank
  • 49 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

Recent Activity

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