Learning Paths (0)
None
Practice Paths (0)
None
Contests (58)
April Challenge 2015
Count Sequences, Chef and Interview, Broken Telephone, Chef and Piano Scales
November Cook-Off 2015
Sereja and Line, Sereja and Array and Subtracting
January Long Challenge 2016
Rupsa and the Game, Churu and Balls, Devu and Perfume
February Challenge 2016
Chef-Detective
May Challenge 2016
Chef and Balls, Forest Gathering, Chef and Big Soccer, Laddu
July Challenge 2016
Andrash and Stipendium, Chefland and Electricity
June Challenge 2017
Chef and Prime Queries, A Good Set, Chef and the Feast, Xenny and Coin Rankings, Triplets, Pairwise union of sets
July Challenge 2017
Chef and Sign Sequences, Whats in the Name, Calculator , IPC Trainers
September Challenge 2017
Chef and Pick Digit, Minimum Good Permutation, Little Chef and Sums
November Challenge 2017
Chef Hates Palindromes, Chef goes Left Right Left, Periodic Palindrome Construction, Villages and Tribes
December Challenge 2017
Total Diamonds, Chef And his Cake, Penalty Shoot-out
January Challenge 2018
K-Concatenation, Maximum Score, Rectangle, Partition the numbers
February Challenge 2018
Broken Clock, Chef And His Characters, Chef And The Patents, Akanksha and End of Semester, Car-pal Tunnel, Permutation and Palindrome
April Challenge 2018 Division 1
Highway Crossing, Chef and Same Old Recurrence, Count Good Prefixes
May Challenge 2018 Division 1
Change the Signs, Fake Binary Search, Dibs on Fibs
December Challenge 2018 Division 1
Max and Electrical Panel, Chef and Interactive XOR
November Challenge 2018 Division 1
Appy Loves One, Good Median
October Challenge 2018 Division 1
Appy and Balloons , Beautiful Bricks, Minimize Digitsum, Chef and Surprise Chessboard
December Lunchtime 2018 Division 1
Choosing from Buckets, Drawing Lines, Age Calculator
January Challenge 2019 Division 1
Different Neighbours, Distinct Pairs, A Pizza Slice
January Cook-Off 2019 Division 1
Ada School, Ada Pawns, Ada Matrix
February Challenge 2019 Division 1
Manhattan Rectangle, Guess It Right, Chef and Secret Ingredients, Art of Balance
March Cook-Off 2019 Division 1
XOR N-bonacci Sequence, Markers and Caps
April Lunchtime 2019 Division 1
Dream Problem, Firdavs and Planet F, Minimum Sum
May Lunchtime 2019 Division 1 (Unrated)
Grid Tour, Reverse Maximisation
June Challenge 2019 Division 1
Lent Money, Chef and Ingredients, Sum and GCD
June Lunchtime 2019 Division 1
Fuzzy Conversions, Ping Paja Pong, Magda and Silly Pairs, The Grux Permutation , Gii and His Club, Igzi and Burly Array
July Challenge 2019 Division 1
Hit the Coconuts, Guess the Prime!, Circular Merging
August Challenge 2019 Division 1
Guddu and his Mother, Dilemma, Maximize an Expression
August Lunchtime 2019 Division 1
Equal Average, Destroy Cells
September Mega Cook-Off 2019 Division 1
Angry Grandfather, Fitness Exercises
April Cook-Off 2020 Division 1
Simple Operations
May Cook-Off 2020 Division 1
Chef, Chefina and Their Friendship, Roads in Chefland
Biteration #2 (Rated for Division 2)
A - Books, C - Chef and Maths
May CodeChef Starters 2021 Division 1 (Unrated)
Cheating Time, Minimum Popping, Plagiarism, Lazy Chef, Correct Sentence
November Challenge 2021 Division 1 (Unrated)
Weird Palindrome Making, Hill Sequence
Code Drive Division 1 (Unrated)
Sum this up, Again XOR problem, Count Number of Peaks
July Long Two 2022 Division 1 (Unrated)
Maximize Difference, Sum of Product 2
Starters 66 Division 1 (Rated till 5-stars)
Sorting the Binary String, Good Binary Strings, Palindrome by Splitting, Connect All Cities
Starters 73 Division 1 (Rated till 6-Stars)
Find an integer, Consecutive Xor
Starters 75 Division 1 (Rated till 6-Stars)
Chefs Favourite Function, Minimum Replacement, Equal Hamming Distance, Prefix Ones, Three Powers of Two, Two Ranges
January Long 2023 Division 1 (Unrated)
A Short Counting Problem, Swap Shift, Maximum of GCDs, Symmetric Swaps, Minimize the Maximum
Starters 78 Division 1 (Rated till 6 stars)
Bitwise Equation
Starters 82 Division 1 (Rated till 6 stars)
Tree Game, Make Them Alike, Difference Matrix
Starters 85 Division 1 (Rated till 6 stars)
Crazy Bishops on Chessboard, Efficient PAN Linking, Tree Xor, GCD Queries, Bomb Blast, TripTastic
Starters 89 Division 1 (Rated till 5 Stars)
Positive or Negative Subarrays, Subarray Removal
Starters 90 Division 1 (Rated till 6 Stars)
Crushed Apples and a Balance Scale, Sum of Goodness, Printing Binary Array, Anti Palindrome
Starters 91 Division 1 (Rated till 6 Stars)
XOR & Sum, Odd GCD Permutation, Chef Odd, Maximum Sum Permutation
Starters 92 Division 1 (Rated till 6 Stars)
Rectangular Tiling, Dividing into Groups, A Peculiar Arrangement, Beautification of array, Distance Coloring
Starters 96 Division 1 (Rated till 5 Stars)
Swap the numbers, Zero Array, Mex Array, Absolute Differences
Starters 100 Division 1 (Rated)
Prime Permutation, Stamps 100, Concussive Sequence, Interesting Swap, Ant
Starters 106 Division 1 (Rated till 5 Stars)
Fan Poll, Chef Fantasy 11, Playing with OR, Save People, Guess the winner!, Count Possibilities, Smallest Excluded LCM, Reach Anywhere, Summing the values, Survival Time
Starters 107 Division 1 (Rated till 6 Stars)
Maximal Expression, Adjacent Flips, Odd Matrix, OR Permutation
Starters 108 Division 1 (Rated till 6 Stars)
Palindromic Prime Numbers, Fair Distribution, Continuous Subarrays, Multiple of 9
September Short 2023 Division 1 (Unrated)
GCD Discount, Ultimate Fencing, Lucky Seven, Slow Start, Mixing Extraordinaire
Starters 112 Divison 1 (Rated till 6 Stars)
Cursed Indices, 3 Logicians Walk into a Bar, Subtree Coloring, Permutation Construction
Starters 114 Division 1 (Rated till 6 Stars)
Rock-Paper-Scissors
Starters 116 Divison 1 (Rated till 6-Stars)
Expected Diameter, Chef Product, ORST , Permutation Sort, Exact Savings
Starters 128 Division 1 (Rated till 6-Stars)
Binary Substring, XOR And Multiply
Starters 132 Division 1 (Rated till 6 Stars)
ALIEN-OR, Optimal Flip, Random Array, MEX QUERIES , Prime Query
Starters 133 Division 1 (Rated till 6-Star)
ABC Conjecture 3, Powered Parameters, Too Far For Comfort (Easy Version)
Starters 145 Division 1 (Rated till 6-Stars)
Beautiful Array, Make Bob Win , Square String
Starters 150 (Rated till 6 stars)
Equal Pairs (Hard), Replacing Game
Starters 154 (Rated till 6 stars)
Tree Cut Xor, Count Winning Subarrays, GCD and XOR, Triangle Count (Hard), Triangle Count (Easy)
Starters 163 (Rated till 5 stars)
Tree Sum is Fun !, Nice Array, Permutation Pair, Chef and Socks, Binary Sum, Minimum Types, Sort Them, Lexio Swap
Starters 164 (Rated till 5 stars)
Halloween Array, Construct Permutation, Connecting Wells
Starters 166 (Rated till 6 stars)
All Equal, Distinct Power, Divisors Array (Hard Version), Divisors Array (Easy Version), Costly Permutations, Chefland Library
Starters 168 (Rated till 6 stars)
No Two Alike, Binary Removals
Starters 180 (Rated till 6 star)
Balls and Boxes, Shall we play a game, Huh, Easy, Counting Problem
Starters 183 (Rated till 6 star)
Complete MST, S to T
Starters 189 (Rated till 5 star)
Number Walks, Blocks in a String, Create Binary String, Avoid Primes, Sortable Subarrays (Easy)
Starters 191 (Rated till 6 star)
Add 1 or 2, Coloured Array, Grid Path (Easy), Permuted Greater than 2
Total Problems Solved: 422
Rookie League
Canada
