Chirag kakwani

• Username: 5★unknown91
• 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)

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No. of Contests Participated: 30

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2022 (+29)RatingProvisional
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Starters 89 Division 2 (Rated)(2023-05-10 22:00:02)

Global Rank:   81

Cheated in:   

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

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1837 (+0)RatingProvisional
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Starters 69 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   617

Cheated in:   

Ratings System Update

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

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Contests (30)

September Long 2022 Division 4 (Rated)

Bob at the Bank, Speed Limit Test, Good Pairs, Interesting Subarray, Distinct Numbers, Pokemon Battles, Chef and Wire Frames

Starters 56 Division 3 (Rated)

K-Subarrays, Nearest Exit, Maximize Colours, Far Away

September Lunchtime 2022 Division 2 (Rated) (Based on EJOI)

Stick Break, Permutation Creation

Starters 60 Division 2 (Rated)

Palindrome Flipping

Starters 61 Division 3 (Rated)

Subarray Removal, Different Consecutive Characters , Minimise LCS

Starters 62 Division 2 (Rated)

Sorted Substrings, Make Multiple, Final Sum, Pythagorean Pair

Starters 63 Division 2 (Rated)

One-XOR Deletions, Make Length 1, Minimum Absolute Score

Starters 64 Division 2 (Rated)

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

Starters 65 Division 2 (Rated)

Nahaane Jaa, Candies, Binod

Starters 66 Division 2 (Rated)

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

Starters 67 Division 2 (Rated)

Expensive Steps , Counting Problem, Musical Rods, Maximum Angriness

Starters 68 Division 2 (Rated)

Boring String, Expense List, Interesting Array, 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)

Maximizing LCS, Pet Store, Flip the Prefix

Starters 74 Division 2 (Rated)

Lcm hates Gcd, Odd Even Binary String

Starters 75 Division 2 (Rated)

Chefs Favourite Function, Equal Hamming Distance, Prefix Ones, Three Powers of Two

Starters 76 Division 2 (Rated)

Make Array Odd, Zero String, Construct Array, Not Divisible

February Cook-Off 2023 Division 2 (Rated)

Alice Potter And Dumbledore Army, Permutation and Modulus, Take Not Less

Starters 77 Division 2 (Rated)

Concat Palindrome, K Increment Palindrome, Three Numbers

Starters 78 Division 2 (Rated)

Balanced Suffix, Valid Expression, Solve More Problems!

Starters 79 Division 2 (Rated)

Mountain, One Stone or Two Stones, Add smallest prime factor, Distinct Opposite Sums

Starters 80 Division 2 (Rated)

Permutation Subsequence, Equal Elements, Prefix Permutation

Starters 84 Division 2 (Rated)

Max count of 1, Digit Operation, Max Binary, Chef And Adjacent Sums

Starters 85 Division 2 (Rated)

Crazy Bishops on Chessboard, Efficient PAN Linking, Inside The Stadium, TripTastic

Starters 86 Division 2 (Rated)

Minimum Operation, String Game , Maximise Score

Starters 87 Division 2 (Rated)

Existence, One or All, AB plus C

Starters 83 Division 2 (Rated)

Construct String, Order by XOR

Starters 88 Division 2 (Rated)

Maximum And Or, Chef and Asteroids, Unstable Subarray

Starters 89 Division 2 (Rated)

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

Total Problems Solved: 110