black_07

• Username: 2★black_bgkjdfbg
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Technology Kharagpur West Bengal, India
• 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: 5

Current Ratings Graph Old Ratings Graph

1584 (+141)RatingProvisional
Rating i Provisional Rating, click to know more

January Lunchtime 2022 Division 2(2022-01-29 23:00:02)

Global Rank:   844

Cheated in:   

Ratings System Update

(2022-01-29 23:00:02)

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

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1584 (-160)RatingProvisional
Rating i Provisional Rating, click to know more

January Lunchtime 2022 Division 2(2022-12-20 00:00:00)

Global Rank:   844

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?

Learning Paths (0)

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Contests (5)

May Challenge 2021 Division 3 (Rated)

Solubility, Golf

CodeChef Starters 22 Division 2 (Rated)

An Interesting Sequence, Even Subset Xor, Merging Binary Strings, Equal LIS

Exun 2021-22 Division 3 (Rated)

Vedant and his Hidden Array, Aujasvit and the Circle Game, Sarthak and his Magic Grid, Vishesh and his Popcorn Combo

January Cook-Off 2022 Division 2

Palindromes Not Allowed, Mean Maximization, Subsegment Divisibility , Merged LIS

January Lunchtime 2022 Division 2

Subarray permutations, Prefix Zeros, Permutation XOR Sum

Total Problems Solved: 20