Jony Roy

• Username: 2★jonyroy
• Student/Professional:Student
• Institution:Islamic University, 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: 10

Current Ratings Graph Old Ratings Graph

1458 (-7)RatingProvisional
Rating i Provisional Rating, click to know more

September Cook-Off 2014, ACM-ICPC Warm up(2014-09-22 00:00:00)

Global Rank:   1649

Cheated in:   

Ratings System Update

(2014-09-22 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?

1458 (-4)RatingProvisional
Rating i Provisional Rating, click to know more

September Cook-Off 2014, ACM-ICPC Warm up(2022-12-20 00:00:00)

Global Rank:   1649

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 2013

Lapindromes

July Challenge 2013

Chef and Walking on the rectangle , Count K-Primes

October Challenge 2013

Helping Lira, Maxim and Dividers

December Challenge 2013

Magic Pairs

July Challenge 2014

Count Substrings

Total Problems Solved: 10