Hrishikesh Kelkar

SnackDown 2021 - Online Qualifiers

Lucky Number

October Lunchtime 2021 Division 3

Alternating Work Days, Exactly N plus 1 Values, Problem Category

SnackDown 2021 - Online Round 1A

Round Robin Ranks , Dance Moves, Min Max LCM

SnackDown 2021 - Online Round 1B

Queens Placement , Largest Laddu, Help Nishant

CodeChef Starters 17 Division 3 (Rated)

GCD of Prefixes, Chef on Vacation, New Piece

FizzBuzz Division 2 (Rated)

Magical Planks, Substring Minimum Function, Can_Reach

CodeChef Starters 21 Division 3 (Rated)

Devendra and Water Sports, Akash and Grid, Covid and Theatre Tickets

CodeChef Starters 22 Division 2 (Rated)

An Interesting Sequence

Exun 2021-22 Division 3 (Rated)

Vishesh and his Popcorn Combo, Sarthak and his Magic Grid, Vedant and his Hidden Array

CodeChef Starters 24 Division 3 (Rated)

Avoid Contact, Badminton Serves, EVM Hacking

CodeChef Starters 25 Division 3 (Rated)

Points and Lines, Fit in Data Type, Chef and His Fruit Stand

CodeChef Starters 26 Division 3 (Rated)

Careless Chef, Count the Notebooks, Hostel Room, Control the Pollution

February Lunchtime 2022 Division 3

Four Equidistant Points on a Grid, Good Program, Parallel Processing, Watching Movies at 2x

CodeChef Starters 29 Division 2 (Rated)

String protocol, Plusle and Minun on Array

CodeChef Starters 30 Division 3 (Rated)

Gift Shop and Coupon, Chef and Water Bottles, Swapping Chefs Way, Balanced Reversals

CodeChef Starters 31 Division 3 (Rated)

XOR and AND, Alternating String, Sign Moves, The Unchanging OR, Group Assignment

CodeChef Starters 32 Division 3 (Rated)

Binary String Cost, Finding Shoes

CodeChef Starters 34 Division 3 (Rated)

Binary Mismatch, Average Array, Is the Score Consistent, Good Quality Bulbs, Positive Products

Starters 35 Division 2 (Rated)

Dark Light

Starters 36 Division 3 (Rated)

Presents for Cheffina, Chef and Bird farm

Starters 37 Division 3 (Rated)

Beat the Average, Laptop Recommendation , Infernos, Maximum OR Minimum

Starters 38 Division 3 (Rated)

Dominant Army, Circular Track

Starters 39 Division 3 (Rated)

Compress the Video, Closest Vowels, Recent contest problems, A or B

Starters 41 Division 3 (Rated)

Equal Integers, Path Parity, Determine the Winner

June Cook-Off 2022 Division 3 (Rated)

First and Last

Starters 42 Division 3 (Rated)

Minimum or Maximum, Divisible by 3, How Many Maximums, Minimum number of Flips

Starters 44 Division 3 (Rated)

Dense Bracket Sequence, The Attack of Knight

Starters 43 Division 3 (Rated)

The Optimal Pairs, DNA Storage, Distinct Palindrome, Joining Date

Starters 46 Division 3 (Rated)

Sort the String, MATH1 Enrolment, Group Assignment, Army Training

Starters 47 Division 3 (Rated)

Similar Heights, Construct N, End Sorted, Minimum Coins

Starters 48 Division 3 (Rated)

Buy Lamps, Fill The Grid, Make Palindrome 2

Starters 49 Division 3 (Rated)

N Buttons 1 Bulb, Split The String, High Frequency, Valid Minimum

Starters 50 Division 3 (Rated)

Permutation GCD, Nearest Court, Average Permutation

Starters 51 Division 3 (Rated)

Split N, Copy and Paste, Different Medians, TV Discount, Dominant Element

August Lunchtime 2022 Division 2 (Rated)

Easy Permutation, Array Equality

Starters 53 Division 2 (Rated)

Make A and B equal, Queen Blocks

Starters 55 Division 2 (Rated)

Balls and Boxes, Mean and Median

Starters 56 Division 3 (Rated)

Nearest Exit, Far Away

Starters 60 Division 3 (Rated)

Distinct Numbers, Yet Another Palindrome Problem, Paper Cutting, Palindrome Flipping, Card Removal

Starters 61 Division 3 (Rated)

Minimise LCS, Different Consecutive Characters , Subarray Removal, Odd Sum Pair

Starters 63 Division 3 (Rated)

One-XOR Deletions, Make Length 1, Avoid Squares Please

Starters 64 Division 2 (Rated)

Luigi and Uniformity, Range Assign, Number of Distinct Elements Minimize, Distinct Neighbours

Starters 65 Division 2 (Rated)

Nahaane Jaa, Candies

Starters 66 Division 2 (Rated)

Good Binary Strings, Palindrome by Splitting, Just Like Mob!

Starters 67 Division 2 (Rated)

Maximum Angriness, Expensive Steps , Counting Problem

Starters 68 Division 2 (Rated)

Boring String, XOR Product, Expense List, Make Money

Starters 69 Division 2 (Rated)

Akash and Dinner, Distinct Sequence

Starters 70 Division 2 (Rated)

Minimum distance between 1s, Prime Reversal, Frequency Array Retrieval

Starters 71 Division 2 (Rated)

Pet Store, Flip the Prefix

Starters 72 Division 2 (Rated)

N Triplets

Starters 73 Division 2 (Rated)

Find an integer, Consecutive Xor, Append for OR

Starters 74 Division 2 (Rated)

Lcm hates Gcd, Odd Even Binary String

February Cook-Off 2023 Division 2 (Rated)

Take Not Less, Permutation and Modulus, Minimum Beauty

Starters 77 Division 2 (Rated)

Concat Palindrome, Three Numbers

Starters 104 Division 2 (Rated)

GCD and LCM

August Long 2023 Division 2 (Unrated)

Codechef Copy, All New CodeChef, Maximum Deliciousness, I Can Use Both Hands!

September Short 2023 Division 2 (Unrated)

Lucky Seven, Slow Start, Mixing Extraordinaire

Starters 112 Division 3 (Rated)

Cursed Indices, Fair Share Settlement, 3 Logicians Walk into a Bar, Permutation Construction, Max Nutrition

Starters 117 Division 2 (Rated)

Not Prime Permutation, Spell Shortening

Problems Authored (6)

Problems Tested (0)

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Editorials Contributed (0)

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