Ankur Rai

• Username: 4★irid
• Country:  India
• Student/Professional:Other
• 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

1813 (-29)RatingProvisional
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April Lunchtime 2021 Division 2(2021-04-30 22:30:02)

Global Rank:   1656

Cheated in:   

Ratings System Update

(2021-04-30 22:30:02)

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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1813 (+11)RatingProvisional
Rating i Provisional Rating, click to know more

April Lunchtime 2021 Division 2(2022-12-20 00:00:00)

Global Rank:   1656

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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Practice Paths (0)

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Contests (5)

February Challenge 2021 Division 3

Team Name, Another Tree with Number Theory, Chef and Meetings, Prime Game, Maximise Function, Highest Divisor, Frog Sort

February Lunchtime 2021 Division 2

Palpal Strings, Coprime Range

CodeChef Div 3 Rated Contest 2021 Division 2 (Unrated)

Body Mass Index, Total Score, Chef and Patients, Rectangle

February CodeChef Starters 2021 Division 2 (Unrated)

Maximum Value, College Life 2, College Admissions, Valid String, Chef and Coupon

March Challenge 2021 Division 2

Interesting XOR!, No Time to Wait, Maximum Topological Sort, Space Arrays, Paparazzi Gennady, Consecutive Adding, College Life 4, Chef and Groups

April Challenge 2021 Division 2

Binary String MEX, Worthy Matrix, Chef and Dice, Boolean Game

April Lunchtime 2021 Division 2

Chef in Heaven , Bench Press, Array Rotation

June Challenge 2021 Division 2 (Unrated)

Bella ciao, Summer Heat

July Challenge 2021 Division 2 (Unrated)

XxOoRr

Total Problems Solved: 69