| Contest | Problem |
|---|---|
| START73 | FTOL |
Zobayer Abedin
- zobayer7
Bangladesh- Student
- Khulna University of Engineering & Technology Khulna, Bangladesh
- No Active Plan. View Details
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Learning Paths (1)
Practice Paths (0)
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Contests (70)
September Challenge 2020 Division 2
A Problem on Sticks, Ada Matrix
October Challenge 2020 Division 2
Positive AND, Covid Run, Chef and Easy Queries
November Challenge 2020 Division 2
Restore Sequence, Ada and Dishes, Iron, Magnet and Wall
January Challenge 2021 Division 2
Watching CPL, Fair Elections
January Cook-Off 2021 Division 2
Prime Tuples, Maximise Islands
December Lunchtime 2020 Division 2 (Unrated)
Three Letters, Sed Sequences
January Lunchtime 2021 Division 2 (Unrated)
Binary Subsequence, Even Differences, Even Sum
November Cook-Off 2020 Division 2
Flip the String, Chef and IPC Certificates
October Lunchtime 2020 Division 2
AND Plus OR, Chef Likes Good Sequences
September Lunchtime 2020 Division 2
GCD operations, Watermelon
Byterace IIT Patna Division 2 (Rated)
Angry Cyborg, The Begining Era Of Cyberverse, Cybalphabit
April Cook-Off 2021 Division 2
OR of ANDs, Chocolate Monger
April Lunchtime 2021 Division 2
Chef in Heaven , Bench Press, Array Rotation
May Cook-Off 2021 Division 2
The Last Problem, Chef and Subarrays
May Lunchtime 2021 Division 2
Charges, Tom And Jerry 1, Total Components
June Challenge 2021 Division 2 (Unrated)
Minimum Dual Area, Shortest Route, Bella ciao, Summer Heat
June Cook-Off 2021 Division 2
The Wave
July Challenge 2021 Division 2 (Unrated)
XxOoRr, Chef vs Bharat, Optimal Denomination
July Cook-Off 2021 Division 2
XOR-ORED, Mod Equality
July Lunchtime 2021 Division 2
Beautiful Pairs, Array Rotation Returns, Longest Good Segment
CodeChef Starters 6 Division 2 (Unrated)
Joker and Batman, Even tuples, Three Dices, Cricket Ranking
August Cook-Off 2021 Division 2
Different String, Chef and Closure, Equal Difference
August Lunchtime 2021 Division 2
K-th Maximum, Crossing Blocks, Just a Graph
CodeChef Starters 9 Division 2 (Unrated)
Friend Groups In A Line, Black cells in a chessboard, Large Square, Bus full of passengers, Fibonacci concatenation, India Fights Corona
CodeChef Starters 10 Division 2 (Rated)
Magical Flips, Maximise the Subsequence Sum, Remove One Element
SnackDown 2021 - Online Qualifiers
Lucky Number, Maximum Number Of Distinct Elements
CodeChef Starters 12 Division 2 (Unrated)
K - balanced string, Make it Divisible, Another Shortest Paths Problem, Maximum Points
CodeChef Starters 13 Division 2 (Rated)
Add and Divide, Chef in Vaccination Queue, Maximum Light Up, Interesting Pairs, Magical Doors
September Lunchtime 2021 Division 2
Balanced and Unique Arrays, Alice vs Bob Faceoff, Yet another SOD problem
October Lunchtime 2021 Division 2
Median Rearrangement, Chef and Water Car, Exactly N plus 1 Values
SnackDown 2021 - Online Round 1A
Round Robin Ranks , Dance Moves, Min Max LCM
SnackDown 2021 - Online Round 1B
Queens Placement , Largest Laddu, Help Nishant
CodeChef Starters 19 Division 1 (Unrated)
Indivisible Permutation, The Alternating Sum, Distinct Elements
C.O.D.E.R.S Division 1 (Unrated)
The One Where No One is Ready, The One with Ross Wedding
December Challenge 2021 Division 1 (Unrated)
Valleys and Hills, Rock Paper Scissors, Pyramid Traversal
SnackDown 2021 - Elimination Parallel (Rated for Div 1)
Sorting Segments
Infinity 2k21 Division 1 (Unrated)
Marbles, Hopscotch
January Cook-Off 2022 Division 1
Subsegment Divisibility , Merged LIS
CodeChef Starters 25 Division 2 (Rated)
Building Towers, Equal MEX, Points and Lines
May Cook-Off 2022 Division 2 (Rated)
Doubled Distances
Starters 37 Division 2 (Rated)
Remove Balance, Dazzling Even-Odd Challenge, Beat the Average, Infernos, Maximum OR Minimum
July Cook-Off 2022 Division 2 (Rated)
Permutation And Median, Xor Permutation, Segmentation Fault
Starters 75 Division 2 (Rated)
Chefs Favourite Function, Equal Hamming Distance, Prefix Ones, Three Powers of Two
February Cook-Off 2023 Division 2 (Rated)
Take Not Less, Permutation and Modulus, Minimum Beauty
Starters 79 Division 2 (Rated)
Mountain, One Stone or Two Stones, Add smallest prime factor, Distinct Opposite Sums
Starters 81 Division 2 (Unrated)
Distinct Matrix, Divide Pages
Starters 84 Division 2 (Rated)
SUM OR, Max count of 1, Digit Operation, Max Binary, Chef And Adjacent Sums
Starters 85 Division 2 (Rated)
Crazy Bishops on Chessboard, Efficient PAN Linking, Inside The Stadium, GCD Queries, TripTastic
Starters 86 Division 1 (Rated for All)
Minimum Operation, String Game , Largest Y
Starters 87 Division 1 (Rated till 6 Stars)
Inversions of subsequences, AB plus C, One or All
Starters 88 Division 1 (Rated till 6 Stars)
Maximum And Or, Chef and Asteroids, Minimize the Bits
Starters 91 Division 1 (Rated till 6 Stars)
XOR & Sum, Odd GCD Permutation, Chef Odd, Maximum Sum Permutation
Starters 93 Division 1 (Rated for All)
Thank U, Next, NASA, Greedy
Starters 95 Division 1 (Rated till 6 Stars)
Boxes, Transfusion Chain
Starters 96 Division 1 (Rated till 5 Stars)
Swap the numbers, Mex Array
Starters 97 Division 1 (Rated till 6 Stars)
No Palindrome, Triplets Min
Starters 114 Division 1 (Rated till 6 Stars)
Chef and Tag, Rock-Paper-Scissors
Starters 115 Division 1 (Rated)
Greedy LIS Algorithm, Binary Grid Forces, Make All Zero
Starters 117 Division 1 (Rated till 5-Stars)
Not Prime Permutation
Starters 118 Division 2 (Rated)
Subset GCD, Join States, Is it uniquely decodable, Xorry 2, Xorry 1
Starters 119 Division 1 (Rated till 6-Stars)
K Odd Sum, Unalike Gcd & Lcm
Starters 120 Division 1 (Rated till 6 Stars)
Find Permutation , Construct Permutation, Count Subarrays, Count Arrays
Starters127 Division 1
ABC Conjecture, Anti-Triangle
Starters 128 Division 2 (Rated)
Binary Substring, XOR And Multiply, MEXimize the Array, Disjoint Non-Decreasing Array
Starters 130 Division 1 ( Rated till 6-Stars)
Make Equal
Starters 131 Division 2 (Rated)
K-Closeness, Dice Deception, Encrypt Value, T-Perm
Starters 132 Division 2 (Rated)
ALIEN-OR, Optimal Flip, MEX QUERIES , Prime Query, GAME 11
Starters 135 Division 1 (Rated till 5-Stars)
Change A to B
Starters 136 Division 1 ( Rated till 6-Stars )
Game On Rectangle, Lexicographically Maximal Prefix AND, Sum of Modes
Starters 138 Division 1 (Rated till 6-Stars)
A power B mod C , Prefix Suffix Inequality, Distinct Substring
Starters 139 Division 1 (Rated till 5-Stars)
Sort Perm, Sum of N, Destroying Bridges Part 2
Starters 141 Division 1 (Rated till 5-Stars)
Amphibian Escape, Perfect Prefixes
Starters 142 Division 1 (Rated till 5-Stars)
Array Removal, Number Hunt
Starters 145 Division 1 (Rated till 6-Stars)
Beautiful Array, Make Bob Win , Square String
Starters 146 Division 1 (Rated till 5 stars)
Back Front, Bouncing Ball, Permutation Construction
Starters 147 Division 1 (Rated till 5 stars)
K Subsequence 101, Truth Teller And Liars 101, Independence Day 101, Non-Primes 101, Gold Coins 101
Starters 149 (Rated till 5 stars)
Maximise Sum, Chef Loves Beautiful Strings (Easy Version)
Starters 151 (rated till 5 stars)
Ball Game, Sequence Search
Starters 154 (Rated till 6 stars)
GCD and XOR
Starters 155 (Rated till 5 stars)
GCD to 1 (Hard), Replace With First, Prefix Suffix Min Max
Starters 156 (Rated till 6 stars)
Balance Difficulties, Partition Score
Starters 157 (Rated till 5 stars)
Small, Smaller, Smallest, Normal is Good, Unmedian
Starters 161 (Rated)
Red-Blue Sort, One To Three