Umme Habiba Sonia

• Username: 2★sonia30
• Country:  Bangladesh
• Student/Professional:Student
• Institution:State University of Bangladesh
• 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: 8

Current Ratings Graph Old Ratings Graph

1431 (+32)RatingProvisional
Rating i Provisional Rating, click to know more

January Cook-Off 2016(2016-01-25 00:00:00)

Global Rank:   996

Cheated in:   

Ratings System Update

(2016-01-25 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?

1431 (-139)RatingProvisional
Rating i Provisional Rating, click to know more

January Cook-Off 2016(2022-12-20 00:00:00)

Global Rank:   996

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 (8)

June Challenge 2014

Chef and Subarray

September Challenge 2014

Chef and Left-Right

April Challenge 2015

Chef and Interview, Broken Telephone

May Challenge 2015

Set Difference , Chef and new recipe

June Challenge 2015

Chef and Memory Limit

August Challenge 2015

Cooking Machine

January Cook-Off 2016

Chef and Fruits

Total Problems Solved: 12