Zakaria Sarker
- 5★porahoto
Bangladesh- Student
- Shahjalal University of Science & Technology Sylhet, Bangladesh
- No Active Plan. View Details
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Ratings System Update
(2024-11-20 22:30:02)Ratings System Update
(2022-12-20 00:00:00)Learning Paths (0)
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Practice Paths (0)
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Contests (83)
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