Ujjwal Roy

• Username: 1★ujjwal94
• Country:  India
• Student/Professional:Professional
• Organisation:IDEMIA
• CodeChef Pro Plan: No Active Plan. View Details

Activity Heat Map

Last 6 Months 2025 (Jan-Jun)2024 (Jul-Dec)2024 (Jan-Jun)

Rating Graph

No. of Contests Participated: 12

Current Ratings Graph Old Ratings Graph

1209 (+50)RatingProvisional
Rating i Provisional Rating, click to know more

April Challenge 2019 Division 2(2019-04-15 15:00:02)

Global Rank:   4859

Cheated in:   

Ratings System Update

(2019-04-15 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?

1209 (-268)RatingProvisional
Rating i Provisional Rating, click to know more

April Challenge 2019 Division 2(2022-12-20 00:00:00)

Global Rank:   4859

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 (12)

April Challenge 2015

Broken Telephone, Chef and Piano Scales

June Challenge 2015

Chef and Memory Limit

July Challenge 2015

Chef and Cube

October Challenge 2015

Count Subarrays

April Cook-Off 2015

Version Control System

July Cook-Off 2015

Cops and the Thief Devu

May Lunchtime 2015

Devu and Grapes

April Challenge 2019 Division 2

Friend or Girlfriend, Maximum Remaining

Total Problems Solved: 47