Jacob Jackson

• Username: 6★zxqfl
• Country:  Canada
• Student/Professional:Student
• Institution:University of Waterloo Canada
• 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: 8

Current Ratings Graph Old Ratings Graph

2252 (-141)RatingProvisional
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June Challenge 2015(2015-06-15 15:00:00)

Global Rank:   1913

Cheated in:   

Ratings System Update

(2015-06-15 15:00:00)

This is the difference due to changing the rating system.This graph is not updated after 20th Dec 2022. Know more

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2252 (+151)RatingProvisional
Rating i Provisional Rating, click to know more

June Challenge 2015(2022-12-20 00:00:00)

Global Rank:   1913

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 (8)

January Lunchtime 2015

Candidate walk, Just multiply, Many bananas, Piece of cake

March Challenge 2015

Count Substrings, Chef and Notebooks, Devu and his Class, Sign Wave

April Challenge 2015

Count Sequences, Chef and Interview, Broken Telephone, Inversion sorting, Division of Lands, Chef and Piano Scales

May Challenge 2015

Set Difference , Chef and new recipe, Devu and binary String, Chef and Prime Divisors

June Challenge 2015

Chef and Memory Limit, Chef and Polygons

February Cook-Off 2015

Zombinatorial, Parenthesis with Maximum Sum Subarray, Fit Squares in Triangle, Strategy for the World Cup

April Cook-Off 2015

Lucky Fives, Version Control System, Equality, Taxi Driver, Special Agents

May Cook-Off 2015

Devu, his friends and birthday gifts, Devu and friendship testing, Devu and decorating birthday cake, Devu and most energetic minion

Total Problems Solved: 33