| Contest | Problem |
|---|---|
| OTHERS | LUCBULB |
| LDIGIT | |
| LUCXOR | |
| LUCKYBIT |
Praveen Bora
- anonymous1994
India- Professional
- Othres
- No Active Plan. View Details
Submissions Heat Map
Learning Paths (0)
Practice Paths (1)
Contests (96)
November Challenge 2014
Chef and Segment Game, Distinct Characters Subsequence, Chef and Red Black Tree, Let us construct palindrome, The Spelling Problem
December Challenge 2014
Alok-nath and His Sanskars, Kali and Devtas, XOR with Subset, Chef and Apple Trees
January Challenge 2015
Sereja and Number Division 2, Chef and A Large Permutation, Chef and Stones, Sereja and Votes, One Dimensional Kingdoms, Gcd Queries
February Challenge 2015
Chef and Chain, Chef and Strange Formula, Chef and Strings, Let us play with rank list, Jigsaw Puzzle Solving, Chef and Equality
March Challenge 2015
Chef and Notebooks, Sign Wave
April Challenge 2015
Count Sequences, Chef and Interview, Broken Telephone, Division of Lands, Chef and Piano Scales
June Challenge 2015
Steady tables, Chef and His Friend, Chef and Memory Limit, Chef and Polygons
July Challenge 2015
Bread, MasterChef, Na2a and lucky stone, Chef and Cube
October Challenge 2015
Time measure, Count Subarrays, Who dares to be a millionaire, Rupsa and Equilateral Triangle
December Challenge 2015
Chef and the stones, Oracle Devu and Longest Common Subsequence
June Cook-Off 2015
Strange operations
September Mega Cook-Off 2015
Forgotten Language
November Cook-Off 2015
Sereja and Line, Sereja and Array and Subtracting
February Lunchtime 2015
Lucky Four
April Lunchtime 2015
Tickets
September Lunchtime 2015
Sum of palindromic numbers
February Challenge 2016
Chef-Detective
March Challenge 2016
Palindromic substrings, maximize the sum
April Challenge 2016
Help Watson Escape, Chef and Ballons, Chef And Coloring
May Challenge 2016
Laddu
June Challenge 2016
Chef And The Hiring Event, Chef and New Game, Chef and Array and K, Chef And Binary Operation, Chef and Coins Game, Devu and an Array
July Challenge 2016
Andrash and Stipendium, Chef and Tetris, Chefland and Electricity
September Challenge 2016
Chef and digits of a number, Faded Palindromes, Chef and calculation
November Challenge 2016
Task for Alexey
February Challenge 2017
Chef and His Apartment Dues
March Challenge 2017
Xenny and Alternating Tasks, Bear and Extra Number, (CH) Bear and Sorted Rows, Bandwidth of a matrix
April Challenge 2017
Dish Of Life, Similar Dishes
May Challenge 2017
Chef and his daily routine, Courses in an university, Median of adjacent maximum numbers
June Challenge 2017
A Good Set, Xenny and Coin Rankings
July Challenge 2017
Whats in the Name
August Long Challenge 2017
Chef and Rainbow Array
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 and Intersection Line, Chef Hates Palindromes, Chef goes Left Right Left, Periodic Palindrome Construction, Villages and Tribes
December Challenge 2017
Chef And his Cake
January Challenge 2018
(Challenge) Chef and Palindromes, K-Concatenation, Maximum Score, Rectangle, Partition the numbers
February Challenge 2018
Chef And His Characters, Chef And The Patents, Permutation and Palindrome
March Challenge 2018 DIV 2
A Big Sale, Mix the Colors, Chef and Glove
March Cook-off 2018 Division 2
Chef Goes to the Cinema, Chef Restores a Matrix, Chef Judges a Competition
May Cook-off 2018 Division 2
Secret Recipe
April Challenge 2018 Division 2
Workers
May Challenge 2018 Division 2
Mighty Friend, Minimum Deletions, Xor Again, Dibs on Fibs
December Challenge 2018 Division 2
Chef and Interactive Contests, Chef and An Ideal Problem
November Challenge 2018 Division 2
Chef and Difficult Contests
January Challenge 2019 Division 2
Fancy Quotes
February Challenge 2019 Division 2
Chef and Secret Ingredients, Appy and Contest, Deputy Chef
March Challenge 2019 Division 2
Chef and Number Game
February Challenge 2020 Division 2
School of Geometry, Hard Cash, (Challenge) Raisins
April Challenge 2020 Division 2
Sell All the Cars, COVID Pandemic and Long Queue
May Challenge 2020 Division 2
Coronavirus Spread, Isolation Centers
July Challenge 2020 Division 2
Chef and Card Game, Chef and Strings
January Challenge 2021 Division 3
Fair Elections, Chef and Division 3, Point Of Impact, Encoded String
February Challenge 2021 Division 3
Chef and Meetings, Maximise Function, Highest Divisor
April Challenge 2021 Division 3
Chef and Dice, Valid Pair, World Record, Strong Language
May Challenge 2021 Division 3 (Rated)
Xor Equality, Tic Tac Toe, Modular Equation, Golf, Solubility
June Challenge 2021 Division 2 (Unrated)
Bitwise Tuples, Bella ciao, Summer Heat
October Challenge 2021 Division 2 (Unrated)
Longest AND Subarray, Digit Removal, MEX-OR
November Challenge 2021 Division 2 (Unrated)
Weird Palindrome Making, Hill Sequence, Equal Coins
February Long 2022 - I, Division 2 (Unrated)
Binary Base Basics, N Queens Puzzle Solved !
March Long One 2022, Division 2 (Unrated)
Akash and Function, Subarray XOR, Substring of a Substring, Akash and Missing Class, Exact Marks, Discus Throw, Bath in Winters, Wordle
March Long Two 2022, Division 3 (Rated)
Chef and Races, The Rating Dilemma
CodeChef Starters 30 Division 2 (Rated)
Balanced Reversals
March Lunchtime 2022 Division 3
Minimum number of coins, Buy 2 Get 1 Free
CodeChef Starters 32 Division 3 (Rated)
Binary String Cost, Finding Shoes
April Long One 2022, Division 3 (Rated)
The Cooler Dilemma 2
Starters 35 Division 4 (Rated)
Water Requirement, Jenga Night
Starters 36 Division 4 (Rated)
Who is taller!, Presents for Cheffina, Chef and Chapters, Chef and Bird farm
April Long Two 2022 Division 4 (Rated)
Geometric Mean Inequality, Sasta Shark Tank, Six Friends, Best Coupon, Pseudo Sorted Array
May Cook-Off 2022 Division 4 (Rated)
Chef and Gym, Chef and Masks
Starters 37 Division 4 (Rated)
The Mango Truck, Roller Coaster, Laptop Recommendation , Infernos, Maximum OR Minimum
May Long One 2022 Division 4 (Rated)
Pushpa , Sugarcane Juice Business, The Attack of Queen, Football Cup, Miami GP
Starters 38 Division 4 (Rated)
Chef gives Party, Get Subscription, Good Pairs, Dominant Army, Circular Track
May Long Two 2022 Division 4 (Rated)
Practice makes us perfect, Xor Palindrome, Score High, Total Prize Money, Make them Zero, Degree of Polynomial
Starters 40 Division 4 (Unrated)
Doubt Support Availability
June Cook-Off 2022 Division 4 (Rated)
Rating Improvement, Playlist, First and Last
Starters 42 Division 4 (Rated)
Minimum or Maximum, Divisible by 3, How Many Maximums, Age Limit, Equal Distribution, Minimum number of Flips
June Long One 2022 Division 4 (Rated)
Expected move, Chairs Requirement, Subscriptions, Divisible by i , Possible GCD, Alternate Additions, Equal Strings
Starters 44 Division 4 (Rated)
Dense Bracket Sequence, Biryani classes, Air Hockey, The Attack of Knight, Jogging
Starters 43 Division 4 (Rated)
Burgers, DNA Storage, Distinct Palindrome, Joining Date, Waiting Time
June Lunchtime 2022 Division 4 (Rated)
Zero Ones Equal One Zeros, It is My Serve, Too many Floors, Determine the Score
June Long Two 2022 Division 4 (Rated)
Count the ACs, Make all equal using Pairs, Complementary Strand in a DNA, Reversal Sorting, Fitness
Starters 45 Division 4 (Rated)
Even Equal Odd, Chef and his Apps, Best of Two, Retrieve the Array, Adjacent Sum Parity, Change Row and Column Both
July Long One 2022 Division 4 (Rated)
Bidding, Journey of the Knight, Game of Piles Version 1, Slow Solution, Pass the Exam, Chef and Candies
Starters 48 Division 4 (Rated)
Buy Lamps, Fill The Grid, Passes for Fair, Fill Candies
July Long Two 2022 Division 4 (Rated)
Chef in his Office, To Divide or Not To Divide, Sum of Product 1, Insurance, Hungry Chef
Starters 49 Division 4 (Rated)
N Buttons 1 Bulb, Split The String, High Frequency, Is it hot or cold, Maximise the Tastiness, Valid Minimum
Starters 112 Division 2 (Rated)
3 Logicians Walk into a Bar, Max Nutrition
Starters 119 Division 2 (Rated)
Cookie Day, Another Good String
Starters 120 Division 3 (Rated)
Count Subarrays, Largest K, Sub or Swp, Valentine Gifts
Starters 124 Division 3 (Rated)
Binary Parity, Table Strength, Cricket Tournament
Starters 126 Division 3 (Rated)
Dice Game 3, Sale, Permutation Disturbance
Starters 134 Division 2 (Rated)
Origin, Rock Paper Scissors
Starters 135 Division 3 (Rated)
Invert And Equalize, Change A to B, Football Ties, RCB vs CSK
Starters 138 Division 2 (Rated)
Long Drive, Distinct Substring
Starters 142 Division 3 (Rated)
Penalty Shoot-out
Starters 145 Division 3 (Rated)
Gun Master, Make My Array Equal
Starters 147 Division 3 (Rated till 5 stars)
Gold Coins 101
Starters 153 (Rated)
Make Arithmetic Progression, Butterfly