Bittu Kumar

• Username: 4★b2kumar810
• Country:  India
• Student/Professional:Other
• CodeChef Pro Plan: No Active Plan. View Details

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

Rating Graph

No. of Contests Participated: 13

Current Ratings Graph Old Ratings Graph

1863 (+43)RatingProvisional
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Starters 89 Division 2 (Rated)(2023-05-10 22:00:02)

Global Rank:   143

Cheated in:   

Ratings System Update

(2023-05-10 22:00:02)

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1886 (-33)RatingProvisional
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Starters 47 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   284

Cheated in:   

Ratings System Update

(2022-12-20 00:00:00)

This is the difference due to changing the rating system.This graph is not updated after 20th Dec 2022. Know more

How the rating system works?

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Contests (13)

February Lunchtime 2022 Division 3

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

CodeChef Starters 27 Division 4 (Rated)

String Reverse, Distinct Binary Strings, Get Lowest Free, Too many items, Shopping Change, Blackjack, The product mystery

February Cook-Off 2022 Division 4

Complete the credits, Prefix Permutation, Peaceful Party, Lazy Salesman, Guess the bottom face, PerMEXuation , Perfect Permutation

CodeChef Starters 28 Division 2 (Rated)

Permutation Xority, Count the Holidays

CodeChef Starters 29 Division 2 (Rated)

String protocol, Plusle and Minun on Array, Decomposition Reaction

CodeChef Starters 30 Division 2 (Rated)

Balanced Reversals, Gift Shop and Coupon, Minimum Coloring

March Cook-Off 2022 Division 2

Fixed Weight, Janmansh at Fruit Market, Equal Mex Splitting, Alternating Divisibility

Starters 42 Division 2 (Rated)

Maximise Set Bits , Minimum or Maximum, Divisible by 3

Starters 45 Division 2 (Rated)

Even Equal Odd, Xor and Multiply, Retrieve the Array, Adjacent Sum Parity

Starters 47 Division 2 (Rated)

Copy and Push Back, End Sorted, Similar Heights

Starters 71 Division 2 (Rated)

Pet Store, Maximizing LCS

Starters 73 Division 2 (Rated)

Consecutive Xor, Append for OR

January Long 2023 Division 2 (Unrated)

Asymmetric Swaps

Starters 89 Division 2 (Rated)

Plus 2 or Minus 1, Positive or Negative Subarrays, Subarray Removal, Two Averages

Total Problems Solved: 92