Zahidul Islam
- taawraat
Bangladesh- Student
- International Islamic University Chittagong Bangladesh
- No Active Plan. View Details
Submissions Heat Map
Learning Paths (0)
Practice Paths (1)
Contests (59)
December Challenge 2020 Division 2
Even Pair Sum, Vaccine Production, Vaccine Distribution
August Challenge 2021 Division 3 (Rated)
Olympics Ranking
August Cook-Off 2021 Division 3
Equal Difference, Which Division
September Cook-Off 2021 Division 3
Cars and Bikes, Zebra Crossing, Fake GCD, Adjacency Hatred
SnackDown 2021 - Online Qualifiers
Lucky Number, Maximum Number Of Distinct Elements
CodeChef Starters 12 Division 3 (Rated)
Good Weather, Make it Divisible, Maximum Points
CodeChef Starters 14 Division 2 (Unrated)
Odd GCD, Diagonal movement, FIXFIX
October Challenge 2021 Division 2 (Unrated)
Longest AND Subarray, Digit Removal, MEX-OR
September Lunchtime 2021 Division 2
Balanced and Unique Arrays, Yet another SOD problem
CodeChef Starters 16 Division 2 (Unrated)
Professor And Directions, Chef and Magical Steps
October Lunchtime 2021 Division 2
Chef and Water Car, Exactly N plus 1 Values
SnackDown 2021 - Online Round 1B
Queens Placement , Largest Laddu
November Challenge 2021 Division 2 (Unrated)
Weird Palindrome Making, Hill Sequence, Equal Coins
November Cook-Off 2021 Division 2
Missing Sums, Make it Divisible
CodeChef Starters 19 Division 2 (Rated)
Indivisible Permutation
FizzBuzz Division 2 (Rated)
Magical Planks, Can_Reach
CodeChef Starters 25 Division 2 (Rated)
Building Towers, Equal MEX, Points and Lines
February Lunchtime 2022 Division 2
Four Equidistant Points on a Grid, Parallel Processing
CodeChef Starters 29 Division 2 (Rated)
String protocol, Plusle and Minun on Array, Decomposition Reaction
CodeChef Starters 31 Division 2 (Rated)
XOR and AND, Alternating String, Sign Moves, The Unchanging OR
CodeChef Starters 32 Division 2 (Rated)
Maximize the Minimum, Finding Shoes, Flip Sorting
CodeChef Starters 34 Division 2 (Rated)
Average Array
April Lunchtime 2022 Division 2(Rated)
Buckets Full of Candies, Pair Pain
Starters 36 Division 2 (Rated)
Buying Sweets, Reduce to 1, Presents for Cheffina
Starters 38 Division 2 (Rated)
Good Pairs, Circular Track
May Lunchtime 2022 Division 2 (Rated)
Bucket and Water Flow , Maximum Pairwise Modular Sum, Equal After And
Starters 39 Division 2 (Rated)
Compress the Video, Closest Vowels, Even Subarray XOR
Starters 40 Division 2 (Unrated)
Infinity Staircase, Or Permutation, Good Pairs
July Cook-Off 2022 Division 2 (Rated)
Permutation And Median, Xor Permutation, Segmentation Fault
Starters 41 Division 2 (Rated)
Equal Integers, Remove and Add, Is this priority or parity!, Path Parity
June Cook-Off 2022 Division 2 (Rated)
Simple XOR, Break the Stick, Split AND Sum
Starters 42 Division 2 (Rated)
Maximise Set Bits , Minimum or Maximum, Divisible by 3
June Lunchtime 2022 Division 2 (Rated)
Zero Ones Equal One Zeros, The Lost Array, Equal by XORing
Starters 46 Division 2 (Rated)
Sort the String
July Lunchtime 2022 Division 2 (Rated)
Easy Pronunciation, Yet Another Palindrome Making Problem
Starters 48 Division 2 (Rated)
Fill The Grid, Make Palindrome 2, Positive array, Accurate XOR
Starters 49 Division 2 (Rated)
Split The String, High Frequency, Monks, Valid Minimum
Starters 50 Division 2 (Rated)
Air Blimp, Permutation GCD, Sum Product Segments, Average Permutation
Starters 51 Division 2 (Rated)
Split N, Copy and Paste, Different Medians
Starters 54 Division 2 (Unrated)
Equal Distinct
Starters 60 Division 2 (Rated)
Distinct Numbers, Yet Another Palindrome Problem, Palindrome Flipping
Starters 61 Division 2 (Rated)
Minimise LCS, Weird Subarrays, Subarray Removal
Starters 62 Division 2 (Rated)
Sorted Substrings, Make Multiple, Final Sum
Starters 63 Division 2 (Rated)
One-XOR Deletions, Make Length 1
Starters 64 Division 2 (Rated)
Luigi and Uniformity
Starters 65 Division 2 (Rated)
Nahaane Jaa, Candies, Binod
Starters 73 Division 2 (Rated)
Consecutive Xor, Append for OR
Starters 75 Division 2 (Rated)
Equal Hamming Distance, Prefix Ones, Three Powers of Two
Starters 78 Division 2 (Rated)
Bitwise Equation, Valid Expression
Starters 81 Division 2 (Unrated)
Divide Pages
Starters 82 Division 2 (Rated)
Find eX, Make A-B Same, Difference Matrix, MIN To MAX
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
Starters 90 Division 2 (Rated)
Crushed Apples and a Balance Scale, Sum of Goodness, Printing Binary Array, Anti Palindrome
Starters 93 Division 2 (Rated)
Break Free, Thank U, Next, NASA, Problem
Starters 94 Division 2 (Rated)
CodeChef Streak, Possible or Not, The Vowel Matrix
Starters 100 Division 2 (Rated)
Prime Permutation, Stamps 100
Starters 102 Division 2 (Rated)
Parity Permutation, Bit Play, Array Sum
Starters 104 Division 2 (Rated)
Maximise Sum, GCD and LCM
Starters 106 Division 2 (Rated)
Playing with OR, Save People, Guess the winner!
Starters 107 Division 2 (Rated)
Maximal Expression, Rock Paper Scissor, OR Permutation
Starters 108 Division 2 (Rated)
Clan Expansion, Palindromic Prime Numbers, Fair Distribution
Starters 109 Division 2 (Rated)
Minimum XOR, Best of N Sets, Alter Ego, Chroma Swap
SQL Contest (Unrated)
First Problem on SQL, Number of Distinct Institutes, Div 2 Ranklist
Starters 111 Division 2 (Rated)
Beautiful Strings, Reach Codetown
Starters 112 Division 2 (Rated)
Cursed Indices, 3 Logicians Walk into a Bar, Permutation Construction, Max Nutrition