Shingo Ohtsuka

• Username: 4★arukuka
• Country:  Japan
• Student/Professional:Other
• 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

1821 (+195)RatingProvisional
Rating i Provisional Rating, click to know more

April Challenge 2019 Division 2(2019-04-15 15:00:02)

Global Rank:   335

Cheated in:   

Ratings System Update

(2019-04-15 15:00:02)

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?

1821 (+31)RatingProvisional
Rating i Provisional Rating, click to know more

April Challenge 2019 Division 2(2022-12-20 00:00:00)

Global Rank:   335

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)

May Cook-off 2018 Division 2

Best Cake Ever

April Challenge 2018 Division 2

Chef and Array (Challenge), Vaibhav and Ministers, Cutting Plants, Weight of Numbers, Highway Crossing, Count Good Prefixes, Average of Pairs, Workers

June Challenge 2018 Division 2

Naive Chef

March Challenge 2019 Division 2

Chef got Recipes, (Challenge) Interleaving Strings, Chef and a Beautiful Digit, Yet Again a Subarray Problem, Chef and Number Game

April Challenge 2019 Division 2

Playing with Numbers, Friend or Girlfriend, Maximum Remaining, Subtree Removal, Fencing

Total Problems Solved: 27