blackhat_koder

• Username: 4★blackhat_koder
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Information Technology, Allahabad Uttar Pradesh
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

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

Rating Graph

No. of Contests Participated: 8

Current Ratings Graph Old Ratings Graph

1837 (+53)RatingProvisional
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Starters 191 (Rated)(2025-06-18 22:00:02)

Global Rank:   296

Cheated in:   

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(2025-06-18 22:00:02)

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None(None)

Global Rank:   0

Cheated in:   

Ratings System Update

(None)

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Learning Paths (0)

Practice Paths (1)

1600 to 1800 difficulty problems

1%

Contests (8)

Starters 104 Division 4 (Rated)

Santa and Chocolates, Pizza Cutting, Double Rent, GCD and LCM, Maximise Sum

Starters 113 Division 3 (Rated)

Minimise Maximum Subarray Sum, Maximum Score , Sum Neq , Make N Zero

Starters 119 Division 2 (Rated)

Cookie Day, Another Good String , K Odd Sum

Starters 120 Division 3 (Rated)

Largest K, Valentine Gifts, Sub or Swp, Count Arrays, Count Subarrays, Find Permutation

Starters 172 (Rated)

Transform String, Streak Star

Starters 173 (Rated upto < 2700)

Cool Subsequences, Time Penalty

Starters 190 (Rated)

Subsequence Sort, Light All, Min-Max Deletion, Parry It! (Easy)

Starters 191 (Rated)

Add 1 or 2, Grid Path (Easy), Add to get GCD, Permuted Greater than 2

Total Problems Solved: 33