Irfan Ukani
- irfan_ukani
India- Student
- International Institute of Information Technology, Hyderabad Telangana, India
- No Active Plan. View Details
Submissions Heat Map
Learning Paths (0)
Practice Paths (1)
Contests (80)
September Challenge 2020 Division 2
Chefina and Swap, A Problem on Sticks, Ada Matrix
August Lunchtime 2020 Division 2
Mode of Frequencies
October Challenge 2020 Division 2
Positive AND, Replace for X, 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
Fair Elections
December Challenge 2020 Division 2
Hail XOR, Positive Prefixes, Even Pair Sum, Vaccine Production, Vaccine Distribution
October Cook-Off 2020 Division 2
Split the Str Ing, Decreasing Srrnmieeda
September Lunchtime 2020 Division 2
Watermelon
June Challenge 2021 Division 2 (Unrated)
Summer Heat
July Challenge 2021 Division 3 (Rated)
Maximum Production, Relativity
July Cook-Off 2021 Division 3
Shoe Fit
July Lunchtime 2021 Division 3
Chef and Spells, Beautiful Pairs, Red Alert
CodeChef Starters 6 Division 3 (Rated)
Three Dices, Cricket Ranking
August Challenge 2021 Division 2 (Unrated)
Special Triplets, Chef and Bulb Invention, Problem Difficulties, Olympics 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 10 Division 2 (Rated)
Magical Flips, Maximise the Subsequence Sum, Remove One Element
September Challenge 2021 Division 2 (Unrated)
Shuffling Parities, Airline Restrictions, Travel Pass
November Cook-Off 2021 Division 2
Missing Sums
CodeChef Starters 20 Division 2 (Unrated)
Stable Sequence, Brutal-Xors
December Cook-Off 2021 Division 2
Median Minimization, Musical Chairs
December Lunchtime 2021 Division 2
Maximum Trio, Romantic Reversals
CodeChef Starters 24 Division 2 (Rated)
Anti Palindrome, Avoid Contact, Divisors and Reciprocals, Yet Another Constructive Problem
CodeChef Starters 31 Division 2 (Rated)
Alternating String, Sign Moves, The Unchanging OR
Starters 44 Division 3 (Rated)
The Attack of Knight, Jogging
Starters 43 Division 2 (Rated)
The Optimal Pairs, Distinct Palindrome
June Lunchtime 2022 Division 2 (Rated)
Zero Ones Equal One Zeros
July Long One 2022 Division 3 (Rated)
Pass the Exam, Chef and Candies
July Long Two 2022 Division 3 (Rated)
Chef in his Office
Starters 71 Division 3 (Rated)
Pet Store, Snapchat, Perfect Trio
December Long 2022 Division 3 (Rated)
Reach fast, Maximise XOR
Starters 79 Division 3 (Rated)
One Stone or Two Stones, Add smallest prime factor, Distinct Opposite Sums, Better Deal
Starters 80 Division 3 (Rated)
Prefix Permutation, Single-use Attack, Running Comparison, Equal Elements
Starters 84 Division 3 (Rated)
Max count of 1, Digit Operation, Elections in Chefland, Max Binary, Chef And Adjacent Sums, Melt Gold
Starters 85 Division 3 (Rated)
Crazy Bishops on Chessboard, Efficient PAN Linking, Inside The Stadium, Can Chef
Starters 87 Division 3 (Rated)
Return the Change, Existence, AB plus C
Starters 89 Division 2 (Rated)
Plus 2 or Minus 1, Positive or Negative Subarrays
Starters 91 Division 2 (Rated)
Odd GCD Permutation, Chef Odd, Blobby Volley Scores
Starters 93 Division 3 (Rated)
Break Free, 7 Rings, Problem
Starters 95 Division 2 (Rated)
Boxes, Transfusion Chain, EVacuate to Moon
Starters 96 Division 2 (Rated)
Swap the numbers, Mex Array, Remove Multiples
Starters 97 Division 2 (Rated)
Schrodinger Smiley, No Palindrome, Triplets Min
Starters 98 Division 2 (Rated)
Airport Management, Ball Distribution
Starters 99 Division 2 (Rated)
Card Swipe, Exclusion-Inclusion
Starters 113 Division 2 (Rated)
Minimise Maximum Subarray Sum, Maximum Score , Sum Neq
Starters 114 Division 2 (Rated)
Rock-Paper-Scissors, Christmas Candy
Starters 120 Division 2 (Rated)
Count Subarrays, Sub or Swp
Starters 121 Division 2 (Rated)
Frequal, Caesar Cipher Lite
Starters 122 Division 2 (Rated)
Arya In Grid, Transformation Cost, Man of the Match
Starters 124 Division 2 (Rated)
Binary Parity, Table Strength, Make It One
Starters 125 Division 2 (Rated)
Bucket Game, Operating on A, Fake Certificate, Binary Minimal
Starters 126 Division 2 (Rated)
Freedom, Permutation Disturbance, Triangular Swaps
Starters 127 Division 2
Superincreasing, Anti-Triangle
Starters 128 Division 2 (Rated)
Binary Substring, XOR And Multiply, MEXimize the Array, Disjoint Non-Decreasing Array
Starters 129 Division 2 (Rated)
Palindromic Substrings, Ballon d Or
Starters 130 Division 2 (Rated)
Make Equal, Alternating Binary String, Good Binary String
Starters 131 Division 2 (Rated)
K-Closeness, Dice Deception, Encrypt Value, T-Perm
Starters 134 Division 2 (Rated)
Origin, Rock Paper Scissors
Starters 135 Division 2 (Rated)
Invert And Equalize, Change A to B
Starters 136 Division 2 ( Rated )
Sum of Modes, My First Geometry Problem
Starters 137 Division 2 (Rated)
Large Differences
Starters 138 Division 2 (Rated)
A power B mod C , TRIPLE PRIMES, Prefix Suffix Inequality, Long Drive, Distinct Substring
Starters 139 Division 2 (Rated)
Sum of N, Maximum Distance Permutations
Starters 140 Division 2 (Rated)
Make Permutation, Split Permutation, Trick Or Treat, Break The String, Tree Removal
Starters 141 Division 2 (Rated)
Redundant Array, Amphibian Escape
Starters 142 Division 2 (Rated)
Sum of Xors, Chef loves Pizza Chef loves halfs, Array Removal, Number Hunt
Starters 143 Division 2 (Rated)
Non-Divisor Array, Binary Conversion
Starters 144 Division 2 (Rated)
Budget Allotment, Largest K
Starters 145 Division 2 (Rated)
Make Bob Win , Make My Array Equal, Square String
Starters 146 Division 2 (Rated till 5 stars)
Bouncing Ball, Permutation Construction, Knockout tournament
Starters 147 Division 2 (Rated till 5 stars)
K Subsequence 101, Truth Teller And Liars 101, Independence Day 101, Non-Primes 101, Gold Coins 101
Starters 148 Division 2 (Rated)
The Undisappearance, FightBots
Starters 149 (Rated)
Easy Subarray Sum, Maximise Sum, Chef Loves Beautiful Strings (Easy Version)
Starters 150 (Rated)
Equal Pairs (Hard), Replacing Game, Find Multiset State, Equal Pairs (Easy)
Starters 151 (rated)
Ball Game, Convert string
Starters 152 (Rated)
Maximize Hamming Distance, Anti-Palindrome Queries, Range Minimize
Starters 153 (Rated)
Butterfly, Another Game, Colorful Tree (Easy Version), Xometry (Easy Version)
Starters 154 (Rated)
GCD and XOR, Triangle Count (Easy), Add 1 or 2 Game
Starters 155 (Rated)
GCD to 1 (Easy), GCD to 1 (Hard), Replace With First, Prefix Suffix Min Max
Starters 158 (Rated)
Largest Subsequence, XOR Smaller, Buying Game
Starters 159 (Rated)
Crafty Coloring (Easy), Super Hero, Random Nim, Chess Colouring, Elections
Starters 162 (Rated)
Empty the String, Adjacent Sum Array, Permutation Mod K
Starters 167 (Rated)
Lottery Tickets, Delete Not Equal, Grid Construction (Even), Grid Construction (Odd)