Kaustubh Rai

• Username: 2★blacklion_14
• Country:  India
• Student/Professional:Student
• Institution:Kamla Nehru Institute of Technology Sultanpur, Uttar Pradesh, 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: 9

Current Ratings Graph Old Ratings Graph

1444 (+26)RatingProvisional
Rating i Provisional Rating, click to know more

July Long Two 2022 Division 3 (Rated)(2022-07-25 15:00:04)

Global Rank:   1260

Cheated in:   

Ratings System Update

(2022-07-25 15:00:04)

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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1444 (-36)RatingProvisional
Rating i Provisional Rating, click to know more

July Long Two 2022 Division 3 (Rated)(2022-12-20 00:00:00)

Global Rank:   1260

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)

Practice Paths (1)

Practice for ZCO and INOI

0%

Contests (9)

August Challenge 2020 Division 2

Another Card Game Problem, Chef and Linear Chess, Chef Wars - Return of the Jedi

September Challenge 2020 Division 2

Chefina and Swap, A Problem on Sticks, Ada Matrix, Coronavirus Spread 2

July Lunchtime 2020 Division 2

Chef and Steps

October Challenge 2020 Division 2

Positive AND, Replace for X, Covid Run, Chef and Easy Queries

September Lunchtime 2020 Division 2

Watermelon, GCD operations

July Long One 2022 Division 3 (Rated)

Game of Piles Version 1, Slow Solution, Pass the Exam, Chef and Candies

Starters 46 Division 2 (Rated)

Sort the String

Starters 47 Division 3 (Rated)

Construct N, End Sorted, Minimum Coins

July Long Two 2022 Division 3 (Rated)

Maximize Difference, Chef in his Office, To Divide or Not To Divide, Sum of Product 1, Hungry Chef

Total Problems Solved: 40