Sajid Zakaria
- sajid_zakaria
Bangladesh- Student
- Shahjalal University of Science & Technology Sylhet, Bangladesh
- No Active Plan. View Details
Submissions Heat Map
Learning Paths (0)
Practice Paths (1)
Contests (78)
June Challenge 2017
A Good Set
July Challenge 2017
Whats in the Name
September Challenge 2017
Chef and Pick Digit, Minimum Good Permutation, Little Chef and Sums
October Challenge 2017
Max Mex, A Balanced Contest
November Challenge 2017
Chef Hates Palindromes, Chef goes Left Right Left, Periodic Palindrome Construction, Villages and Tribes
December Challenge 2017
Chef And his Cake, Penalty Shoot-out
December Cook-Off 2017
Football Match
October Lunchtime 2017
Buggy Calculator
January Challenge 2018
Maximum Score, Rectangle, String Merging, Partition the numbers
February Challenge 2018
Chef And His Characters, Chef And The Patents, Akanksha and End of Semester, Permutation and Palindrome
March Challenge 2018 DIV 2
A Big Sale, Mix the Colors, Chef and Glove, Minions and Voting, Minion Chef and Bananas
March Cook-off 2018 Division 2
Chef Goes to the Cinema, Chef Restores a Matrix, Chef Judges a Competition
May Challenge 2018 Division 2
Mighty Friend, Minimum Deletions, Xor Again, Dibs on Fibs
July Challenge 2018 Division 2
Magic Set, Strike or Spare, No Strings Attached
September Challenge 2018 Division 2
Magician versus Chef, War of XORs, Chef and Adventures, Bad Shuffle
December Challenge 2018 Division 2
Max and Electrical Panel, Chef and Interactive Contests, Chef and An Ideal Problem
April Challenge 2020 Division 2
Strange Number, Squared Subsequences, Unit GCD, Sell All the Cars, COVID Pandemic and Long Queue
May Challenge 2020 Division 2
Coronavirus Spread, Isolation Centers
April Cook-Off 2020 Division 2
Matrix Decomposition, Lift Requests
March Lunchtime 2020 Division 2 (Unrated)
Chef Swaps Digits, Good Prefix
April Lunchtime 2020 Division 2
Another Birthday Present!, Chef in Fantasy League
May Lunchtime 2020 Division 2
Weird Walk, Convert the String, Lost Weekends
June Challenge 2020 Division 1
Even Matrix, The Tom and Jerry Game!, Operations on a Tuple, Covid Sampling (Challenge), Chef and String, Chef and Price Control
August Challenge 2020 Division 1
Smallest KMP, Chef and Wedding Arrangements
July Cook-Off 2020 Division 1
Even-tual Reduction, OR-thodox Distinction
October Challenge 2020 Division 1
Positive AND
November Challenge 2020 Division 1
Restore Sequence
December Challenge 2020 Division 1
Positive Prefixes, Even Pair Sum
December Lunchtime 2020 Division 1 (Unrated)
Even Sequence, Three Letters, One Zero Swaps
October Cook-Off 2020 Division 2
Split the Str Ing, Decreasing Srrnmieeda, Path-etic Sums, Yet Another Crossover Episode
November Cook-Off 2020 Division 2
Flip the String, Chef and IPC Certificates, Hiring Workers
November Lunchtime 2020 Division 1
Gasoline
UWCOI 2021 (Rated for all)
Array Swaps, Hidden Numbers
April Challenge 2021 Division 2
Worthy Matrix
April Cook-Off 2021 Division 2
Tree Distances, OR of ANDs, Chocolate Monger
April Lunchtime 2021 Division 2
Chef in Heaven , Array Rotation
May Cook-Off 2021 Division 2
The Last Problem, Double Burgers, Chef and Subarrays
July Lunchtime 2021 Division 2
Chef and Spells, Array Rotation Returns
July Cook-Off 2022 Division 2 (Rated)
Permutation And Median, Xor Permutation
June Long One 2022 Division 2 (Unrated)
Divisible by i , Possible GCD, Alternate Additions, Equal Strings
June Long Two 2022 Division 2 (Unrated)
Count the ACs, Reversal Sorting, Strong Elements
Starters 45 Division 2 (Rated)
Even Equal Odd, Xor and Multiply, Retrieve the Array, Adjacent Sum Parity
February Cook-Off 2023 Division 2 (Rated)
Permutation and Modulus
Starters 87 Division 2 (Rated)
Inversions of subsequences, Existence, AB plus C, One or All
Starters 90 Division 2 (Rated)
Crushed Apples and a Balance Scale, Minimum Ugliness, Sum of Goodness, Printing Binary Array, Anti Palindrome
Starters 92 Division 2 (Rated)
Rectangular Tiling, Dividing into Groups, Beautification of array, Distance Coloring, Dotify Playlist
Starters 94 Division 2 (Rated)
CodeChef Streak, Possible or Not, Search for 404, Special Operation, The Vowel Matrix, Rank Queries
Starters 95 Division 1 (Rated till 6 Stars)
Boxes, Transfusion Chain
Starters 98 Division 1 (Rated till 6 Stars)
3-Blast Palindrome, Ball Distribution
Starters 104 Division 1 (Rated till 6 Stars)
Lexicographically Largest , Construct An Array, Maximise Sum
Starters 105 Division 1 (Rated till 6 Stars)
Spooky Sequences, Dull Operation
Starters 106 Division 1 (Rated till 5 Stars)
Playing with OR, Save People, Guess the winner!, Count Possibilities
Starters 107 Division 1 (Rated till 6 Stars)
Maximal Expression, OR Permutation
Starters 109 Division 1 (Rated till 5 Stars)
Minimum XOR, Alter Ego
Starters 116 Division 2 (Rated)
Chef Product, ORST , Access Control
Starters 122 Division 2 (Rated)
Arya In Grid, Transformation Cost, Man of the Match
Starters 123 Division 1 (Rated till 6-Stars)
Minimum And Maximum I, Yet Another Alice Bob Game, Trial of the Conqueror, Minimum And Maximum II
Starters 124 Division 1 (Rated till 5-Stars)
Swap and Unite, Make It One, How many arrays
Starters127 Division 1
ABC Conjecture, Anti-Triangle
Starters 129 Division 1 (Rated till 5-Stars)
Palindromic Substrings
Starters 132 Division 1 (Rated till 6 Stars)
ALIEN-OR, Optimal Flip, MEX QUERIES , Prime Query
Starters 134 Division 1 (Rated till 6-Stars)
Origin, Prison Escape, 3out1in
Starters 136 Division 1 ( Rated till 6-Stars )
Game On Rectangle, Lexicographically Maximal Prefix AND, Sum of Modes
Starters 137 Division 1 (Rated till 5-Stars)
Speedrun, Double Trouble, Unusual Queries
Starters 138 Division 1 (Rated till 6-Stars)
A power B mod C , TRIPLE PRIMES, Prefix Suffix Inequality, Distinct Substring
Starters 139 Division 1 (Rated till 5-Stars)
Sum of N, Destroying Bridges Part 2
Starters 140 Division 1 (Rated till 5-Stars)
Split Permutation, Trick Or Treat, Break The String, Tree Removal
Starters 142 Division 1 (Rated till 5-Stars)
Pairs Sum with Length x, Array Removal, Number Hunt
Starters 143 Division 1 (Rated till 5-Stars)
Non-Divisor Array, Max Min and Length, Spread of Ratism
Starters 146 Division 1 (Rated till 5 stars)
Back Front, Bouncing Ball, Permutation Construction
Starters 147 Division 1 (Rated till 5 stars)
Counting Triangles 101, K Subsequence 101, Counting is Fun 101, Truth Teller And Liars 101, Independence Day 101, Non-Primes 101, Gold Coins 101
Starters 149 (Rated till 5 stars)
Maximise Sum
Starters 150 (Rated till 6 stars)
Equal Pairs (Hard), Replacing Game
Starters 151 (rated till 5 stars)
Ball Game
Starters 153 (Rated till 5 stars)
Another Game, Colorful Tree (Easy Version), Xometry (Easy Version)
Starters 155 (Rated till 5 stars)
GCD to 1 (Hard), Replace With First
Starters 157 (Rated till 5 stars)
Small, Smaller, Smallest, MEXtreme Divisibility, Normal is Good, Unmedian
Starters 161 (Rated)
Red-Blue Sort, One To Three, Quick Exit
Starters 162 (Rated till 5 stars)
Empty the String, MEX of XOR, Permutation Mod K
Starters 163 (Rated till 5 stars)
Sort Them, Lexio Swap
Starters 165 (Rated till 6 stars)
A to B, Stable Array
Starters 167 (Rated till 5 stars)
Temperature Balance, Lottery Tickets, Sum Over Subarrays, Grid Construction (Even), Grid Construction (Odd)
Starters 180 (Rated till 6 star)
Shall we play a game, Huh, Easy
Starters 187 (Rated till 6 star)
OR What, Distinct Representations
Starters 188 (Rated till 6 star)
Swaps in a String, K Boxes, Inversion Queries, Yet Another Monsters Problem