Rishabh Paul
Rookie League
- 3★codemart786
India- Student
- Harcourt Butler Technical University, Kanpur
- No Active Plan. View Details
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Ratings System Update
(2025-12-10 22:00:02)Ratings System Update
(2022-12-20 00:00:00)Learning Paths (0)
None
Practice Paths (0)
None
Contests (108)
February Challenge 2016
Chef-Detective
March Challenge 2016
Palindromic substrings
June Challenge 2016
Chef And The Hiring Event, Chef and Array and K, Chef And Binary Operation, Chef and Coins Game, Devu and an Array
July Challenge 2016
Andrash and Stipendium, Chefland and Electricity
August Challenge 2016
Chef and Circle Run, Chef and Chocolate, Chef and Round Run
September Challenge 2016
Chef and Friends, Dividing Machine, Chef and Matrix Division, Chef and digits of a number, Faded Palindromes, Chef and calculation
October Challenge 2016
Sereja and Progressions, Chef and Keyboard, Fenwick Iterations, Chef and Three Dogs
February Cook-Off 2016
Puppy and Sum
June Cook-Off 2016
Sticks
July Cook-Off 2016
Chef and Proportion, Chef and Numbers
August Cook-Off 2016
Tweedle-Dee and Tweedle-Dum
September Cook-Off 2016
Lazy Jem, The Lost Arithmetic Sequences
October Cook-Off 2016
Watson asks Does Permutation Exist, ChefWatson uses Social Network
December Cook-Off 2016
Chef and Subset
July Lunchtime 2016
Drumpf for President!, Lumpy - The Bus Driver
August Lunchtime 2016
Studying Alphabet, Lock-Free Stack
September Lunchtime 2016
Chef and Inequality
October Lunchtime 2016
The Largest Bouquet
November Lunchtime 2016
Chef and his Students, Chef and Square Set
December Lunchtime 2016
Superheroes and villains
January Challenge 2017
Capital Movement, Cats and Dogs, Reservior, Tourists in Mancunia
February Challenge 2017
Chef and Yoda, Chef and Triangles, Chef and His Apartment Dues, Most Frequent Element, Gerrymander, Alice and her garden
March Challenge 2017
Cooking Schedule, Xenny and Alternating Tasks, Pishty and birthday, Bear and Extra Number, (CH) Bear and Sorted Rows, Bandwidth of a matrix
January Cook-Off 2017
Digit Longest Increasing Subsequences 2
January Lunchtime 2017
Nothing in Common
February Lunchtime 2017
Bear and House Queries, Bear and Milky Cookies
April Challenge 2017
(CH) Serejs and Billiards, Chef and Divisor Tree, Stable market, Dish Of Life, Bear and Row 01, Bear and Clique Distances, Similar Dishes
June Challenge 2017
A Good Set, Xenny and Coin Rankings, Triplets
March Cook-Off 2017
Safe Robot
September Cook-Off 2017
Subsequence Equality
October Cook-Off 2017
Chef and Counting Test, Chef and Employment Test, Chef and Weird Queries
November Cook-Off 2017
Skiing, Online Chess, Random Pair
March Lunchtime 2017
Bear and Ladder
September Lunchtime 2017
Chef and Dice, Chef and Cook-Off Contests
October Lunchtime 2017
Buggy Calculator, Maximum Number
February Lunchtime 2018
Game with numbers, Jumping in the hills
March Challenge 2018 DIV 1
Pishty and Triangles, Chef and Easy Problem, Chef and Gcd Queries, Mix the Colors, Minions and Voting
March Cook-off 2018 Division 1
Chef Goes to the Cinema, Chef Restores a Matrix
January Lunchtime 2021 Division 1 (Unrated)
Dreams of Divisibility, Even Sum
March Cook-Off 2021 Division 2
Matrix XOR, Guess the Number
April Cook-Off 2021 Division 2
OR of ANDs, Chocolate Monger
June Challenge 2021 Division 2 (Unrated)
Bitwise Tuples, Summer Heat
June Cook-Off 2021 Division 2
The Wave
November Lunchtime 2021 Division 2
Expected Weight, Strange Minimization, Rapid Re-Orderings
December Challenge 2021 Division 2 (Unrated)
Valleys and Hills, List of Lists
December Lunchtime 2021 Division 2
Maximum Trio, Romantic Reversals
July Cook-Off 2022 Division 2 (Rated)
Permutation And Median, Xor Permutation, Segmentation Fault
June Long One 2022 Division 2 (Unrated)
Divisible by i , Alternate Additions, Equal Strings
Starters 44 Division 3 (Rated)
Dense Bracket Sequence, The Attack of Knight, Jogging
Starters 43 Division 2 (Rated)
Distinct Palindrome
June Lunchtime 2022 Division 3 (Rated)
Zero Ones Equal One Zeros, Too many Floors, Equal by XORing
June Long Two 2022 Division 2 (Unrated)
Count the ACs, Strong Elements
Starters 45 Division 2 (Rated)
Even Equal Odd, Xor and Multiply, Retrieve the Array, Adjacent Sum Parity
July Long One 2022 Division 2 (Unrated)
Game of Piles Version 1, Slow Solution
Starters 46 Division 2 (Rated)
Array sorting, Sort the String
Starters 47 Division 2 (Rated)
Copy and Push Back, Similar Heights, End Sorted
July Lunchtime 2022 Division 2 (Rated)
Easy Pronunciation, Yet Another Palindrome Making Problem, Maximum Median Matching, Largest Family
Starters 48 Division 2 (Rated)
Fill The Grid, Make Palindrome 2, Positive array, Accurate XOR
July Long Two 2022 Division 2 (Unrated)
To Divide or Not To Divide, Sum of Product 1
Starters 49 Division 2 (Rated)
High Frequency, Valid Minimum
Starters 50 Division 2 (Rated)
Air Blimp, Permutation GCD, Sum Product Segments
Starters 51 Division 2 (Rated)
Split N, Copy and Paste, Different Medians
August Long 2022 Division 2 (Unrated)
Hello Equation, Two Trains
Starters 52 Division 2 (Unrated)
Minimum Sum, WA Test Cases, Nil Xor
August Lunchtime 2022 Division 2 (Rated)
Easy Permutation, Array Equality, Tree Coloring, Subtract 12 Operation
Starters 53 Division 2 (Rated)
Black&White Ring Game, Make A and B equal, Queen Blocks
Starters 54 Division 2 (Unrated)
Equal Distinct
Starters 55 Division 2 (Rated)
Non Zero Xor, Balls and Boxes, Mean and Median, OR Tuples
Starters 60 Division 2 (Rated)
Distinct Numbers, Red Green Grids, 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, Pythagorean Pair
Starters 63 Division 2 (Rated)
Maximize 1s
Starters 64 Division 2 (Rated)
Luigi and Uniformity, Range Assign, Number of Distinct Elements Minimize, Prime Factor Division, Distinct Neighbours
Starters 91 Division 2 (Rated)
Odd GCD Permutation, Chef Odd, Blobby Volley Scores, Maximum Sum Permutation
Starters 92 Division 2 (Rated)
Rectangular Tiling, Dotify Playlist
Starters 138 Division 2 (Rated)
TRIPLE PRIMES, Prefix Suffix Inequality, Long Drive, Distinct Substring
Starters 140 Division 2 (Rated)
Make Permutation, Split Permutation, Trick Or Treat, Tree Removal
Starters 141 Division 2 (Rated)
Redundant Array, Amphibian Escape
Starters 157 (Rated)
Small, Smaller, Smallest, Not-too-far Replacement
Starters 177 (Rated)
Ordered Distances, 2 Boxes
Starters 181 (Rated)
Tree Colouring (Hard), Flip Prefix, Find Outside Array, Tree Colouring (Easy)
Starters 182 (Rated)
Bar Queue, MasterChef, Beautiful Garden, Palindromic Score
Starters 183 (Rated)
S to T, Larger Smaller, Max Triangle
Starters 184 (Rated)
One Down, Front or Back, Double or Append
Starters 185 (Rated)
GCD Summation, Creature Hunter
Starters 186 (Rated)
Distinct Arrays , Segment Tree Reconstruction, Jump A or B, Approval Ratings
Starters 187 (Rated)
OR What, Incremental Game, Distinct Representations
Starters 188 (Rated)
Swaps in a String, K Boxes, Yet Another Monsters Problem, Subset Sum 3
Starters 189 (Rated)
Nutrition Cost, Create Binary String, Avoid Primes
Starters 190 (Rated)
Subsequence Sort, Light All, Min-Max Deletion, Parry It! (Easy)
Starters 191 (Rated)
Add 1 or 2, Add to get GCD, Permuted Greater than 2
Starters 192 (Rated)
Security Lines, Equate XY, No 3 Please!
Starters 193 (Rated)
Mex Tree (Min), Add Permutation, Check Odd Even Divisors, Count Odd Even Divisors
Starters 194 (Rated)
Mark All, Munchys Modulo, Chef Bakes Cake 3, Good Arrays (Cyclic)
Starters 195 (Rated)
String Deletions, Game (Easy), Marble Collector
Starters 196 (Rated)
Sugar Limit, Append Average
Starters 197 (Rated)
Expected Cost, Good Ranking (Pair), All Odd Prefix Sums, Split
Starters 198 (Rated)
Currency Exchange, Minimize Maximum Mex
Starters 199 (Rated)
Perfect Ranges, Fence Colouring, Grid MEX, Subtract or Divide
Starters 201 (Rated)
Compare and Connect, Huge Grid (Easy Version), Mixing Liquids, Mark Points
Starters 202 (Rated)
Buying Flowers, If Only I Could Read, Min-Max Deque (Easy)
Starters 203 (Rated)
MEX on Ranges, Maximum MST, Cab Rides
Starters 204 (Rated)
Minimize Sum, Drawing Chances
Starters 205 (Rated)
Mirror Jump, Triplet Maximization
Starters 206 (Rated)
Cyclic Shift Minimization, Prime Sum
Starters 207 (Rated)
Make Subarray
Starters 208 (Rated)
GCND, Sabotage, Alternate Jumps, Cycle and Add
Starters 209 (Rated)
Binary Love, Tactical Conversion, Small GCD Sort, High Score (Easy Version)
Starters 210 (Rated)
Delete Sorted Subsequence, Chocolate Eating, First Element Counting
Starters 211 (Rated)
Subarray Maximums, Buying Chairs, No Doubling, Wolf Down, Tournament Rigging (Minimum)
Starters 213 (Rated)
Separation, No 4 Please
Starters 214 (Unrated)
Crazy Permutations, Scam, Zero Permutation Score, Delete For Fun
Starters 215 (Rated)
Intersecting Intervals (Easy), Product Sum Arrays (Easy), Differing Values, Special Missions
Starters 216 (Rated)
LIS and LDS, XOR Equal Subtract, Best Seats