Jacob Zhou

• Username: 2★xins
• Country:  Australia
• Student/Professional:Professional
• Organisation:xyzhou.com
• 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: 5

Current Ratings Graph Old Ratings Graph

1501 (+59)RatingProvisional
Rating i Provisional Rating, click to know more

July Challenge 2017(2017-07-17 15:00:00)

Global Rank:   2839

Cheated in:   

Ratings System Update

(2017-07-17 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?

1501 (-132)RatingProvisional
Rating i Provisional Rating, click to know more

July Challenge 2017(2022-12-20 00:00:00)

Global Rank:   2839

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 (5)

August Challenge 2015

Cooking Machine

September Challenge 2015

Chain of Doughnuts, Count Steps in Matrix

November Challenge 2016

Count Permutations, Chef and squares, Task for Alexey

July Challenge 2017

Chef and Sign Sequences, Whats in the Name, Calculator

Total Problems Solved: 10