Vishal Rex

• Username: 3★rex3
• Country:  India
• Student/Professional:Student
• Institution:RCC Institute of Information Technology, Kolkata
• 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: 10

Current Ratings Graph Old Ratings Graph

1712 (+64)RatingProvisional
Rating i Provisional Rating, click to know more

February Challenge 2021 Division 2(2021-02-15 15:00:02)

Global Rank:   449

Cheated in:   

Ratings System Update

(2021-02-15 15:00:02)

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?

1712 (-190)RatingProvisional
Rating i Provisional Rating, click to know more

February Challenge 2021 Division 2(2022-12-20 00:00:00)

Global Rank:   449

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)

None

Practice Paths (0)

None

Contests (10)

June Challenge 2018 Division 2

Naive Chef

April Challenge 2019 Division 2

Maximum Remaining

October Challenge 2019 Division 2

Phone Prices

November Challenge 2019 Division 2

Hard Sequence, Weapon Value

August Challenge 2020 Division 2

Chef Wars - Return of the Jedi, Another Card Game Problem, Chef and Linear Chess, Smallest KMP, Chef and Wedding Arrangements

September Challenge 2020 Division 2

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

August Cook-Off 2020 Division 2

K-Foldable String, Chef and Work, Polygon Relationship

October Challenge 2020 Division 2

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

February Challenge 2021 Division 2

Frog Sort, Team Name, Another Tree with Number Theory, Prime Game, Multiple Games, Maximise Function

August Challenge 2021 Division 2 (Unrated)

Special Triplets, Chef and Bulb Invention, Problem Difficulties, Olympics Ranking

Total Problems Solved: 85