Jonathan Irvin Gunawan

• Username: 4★johngs
• Country:  Singapore
• Student/Professional:Student
• Institution:National University of Singapore
• 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: 2

Current Ratings Graph Old Ratings Graph

1975? (+294)RatingProvisional
Rating i Provisional Rating, click to know more

May Cook-Off 2017(2017-05-22 00:00:00)

Global Rank:   29

Cheated in:   

Ratings System Update

(2017-05-22 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?

1975? (+84)RatingProvisional
Rating i Provisional Rating, click to know more

May Cook-Off 2017(2022-12-20 00:00:00)

Global Rank:   29

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 (2)

June Challenge 2015

Steady tables, Chef and His Friend, Chef and Memory Limit, Chef and Polygons, Anticommutative implication

May Cook-Off 2017

La Liga, Balanced Array, Hussain Set, Nasty Queries

Total Problems Solved: 12