Safiullah Arif

• Username: 1★oronno
• Student/Professional:Student
• Institution:Khulna University of Engineering & Technology Khulna, 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: 1

Current Ratings Graph Old Ratings Graph

1173? (-327)RatingProvisional
Rating i Provisional Rating, click to know more

July 2010(2010-07-11 15:00:00)

Global Rank:   235

Cheated in:   

Ratings System Update

(2010-07-11 15:00:00)

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?

1173? (-295)RatingProvisional
Rating i Provisional Rating, click to know more

July 2010(2022-12-20 00:00:00)

Global Rank:   235

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 (1)

None

Total Problems Solved: 5