Hrishikesh Choudhary

• Username: 4★kaalbhairav45
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Technology Patna Bihar, India
• CodeChef Pro Plan: No Active Plan. View Details

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Last 6 Months 2026 (Jan-Jun)2025 (Jul-Dec)2025 (Jan-Jun)

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No. of Contests Participated: 33

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Starters 217 (Rated)(2025-12-17 22:00:02)

Global Rank:   232

Cheated in:   

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Contests (33)

Starters 102 Division 4 (Rated)

Sports Section, Selling Insurance, Chef and Stocks

Starters 120 Division 4 (Rated)

Count Subarrays, Largest K, Valentines Contest, Sub or Swp, Valentine Gifts

Starters 121 Division 4 (Rated)

Frequal, Caesar Cipher Lite, Leg Space, Anti Adjacent Swaps, The Man Code

Starters 124 Division 3 (Rated)

Binary Parity, Table Strength, Swap and Unite, Make It One, Cricket Tournament

Starters 125 Division 2 (Rated)

Bucket Game, Fake Certificate, Binary Minimal

Starters 127 Division 2

ABC Conjecture, Superincreasing, Anti-Triangle

Starters 128 Division 2 (Rated)

MEXimize the Array, Disjoint Non-Decreasing Array

Starters 129 Division 2 (Rated)

Palindromic Substrings, Ballon d Or

Starters 133 Division 2 (Rated)

ABC Conjecture 3, Powered Parameters, Maximum Alternating Sum

Starters 135 Division 2 (Rated)

Graph Cost, Invert And Equalize, Change A to B

Starters 136 Division 2 ( Rated )

Sum of Modes, My First Geometry Problem

Starters 140 Division 2 (Rated)

Make Permutation, Split Permutation, Trick Or Treat, Break The String, Tree Removal

Starters 142 Division 2 (Rated)

Chef loves Pizza Chef loves halfs, Array Removal, Number Hunt

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 152 (Rated till 6 stars)

Maximize Hamming Distance, Anti-Palindrome Queries

Starters 158 (Rated till 6 stars)

Buying Game, Multiply 2 to Minimize

Starters 173 (Rated upto < 2700)

Cool Subsequences, Time Penalty, Overwrite

Starters 177 (Rated)

Flip or Reverse, Counting 01 and 10, Ordered Distances, 2 Boxes

Starters 178 (Rated)

Big Difference, Minimum Colours (Easy), Placing 01 And 10

Starters 180 (Rated)

Shall we play a game, Array Operations, Huh, Easy

Starters 181 (Rated)

The Best Matrix, Tree Colouring (Hard), Flip Prefix, Find Outside Array, Tree Colouring (Easy)

Starters 182 (Rated)

Bar Queue, Beautiful Garden, Palindromic Score

Starters 186 (Rated)

Distinct Arrays , Jump A or B, Approval Ratings

Starters 206 (Rated)

Cyclic Shift Minimization, Product Equal Sum, Min Steps, Gladiator Fighting, Prime Sum

Starters 207 (Rated)

Adjacent Sums, Make Subarray, Maximum Smaller

Starters 209 (Rated)

Binary Love, Tactical Conversion, Small GCD Sort

Starters 212 (Rated)

Exit Door, Interesting Binary (Easy Version), Distinct Fun, Binary Flip

Starters 215 (Rated)

Differing Values

Starters 217 (Rated)

Make An AP, Range MEX, Max Adds, Add to make Positive, Add 1 or 3

Total Problems Solved: 157