Antonius Ivan

• Username: 1★xaid
• Student/Professional:Student
• Institution:Binus University Jakarta Indonesia
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

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

Rating Graph

No. of Contests Participated: 5

Current Ratings Graph Old Ratings Graph

1319 (+10)RatingProvisional
Rating i Provisional Rating, click to know more

January Challenge 2014(2014-01-13 15:00:00)

Global Rank:   3548

Cheated in:   

Ratings System Update

(2014-01-13 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?

1319 (-128)RatingProvisional
Rating i Provisional Rating, click to know more

January Challenge 2014(2022-12-20 00:00:00)

Global Rank:   3548

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 (5)

April Challenge 2013

Maximum Weight Difference

November Challenge 2013

Superpowers of 2, Uncle Johny, Square Digit Squares, Missing some chairs

January Challenge 2014

Chef and Feedback

Total Problems Solved: 34