HackerDemon

• Username: 5★jackbai
• Country:  United Kingdom
• Student/Professional:Student
• Institution:University of Oxford England, United Kingdom
• 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: 2

Current Ratings Graph Old Ratings Graph

2145? (+365)RatingProvisional
Rating i Provisional Rating, click to know more

October Cook-Off 2020 Division 2(2020-10-19 00:00:02)

Global Rank:   2

Cheated in:   

Ratings System Update

(2020-10-19 00:00:02)

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?

2145? (+251)RatingProvisional
Rating i Provisional Rating, click to know more

October Cook-Off 2020 Division 2(2022-12-20 00:00:00)

Global Rank:   2

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 (2)

October Challenge 2020 Division 2

Positive AND, Replace for X, D-Dimensional MST, Adding Squares, Covid Run, Chef and Easy Queries

October Cook-Off 2020 Division 2

Split the Str Ing, Decreasing Srrnmieeda, Path-etic Sums, The In-XOR-able Task, Yet Another Crossover Episode

December Long 2022 Division 2 (Unrated)

Maximise XOR

Total Problems Solved: 18