Ondřej Sladký

• Username: 3★osladky
• Country:  Czech Republic
• Student/Professional:Student
• Institution:Grammar school, Pilsen, Mikulášské us. 23 Pilsen, Czech Republic
• 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: 8

Current Ratings Graph Old Ratings Graph

1792 (-39)RatingProvisional
Rating i Provisional Rating, click to know more

February Challenge 2020 Division 1(2020-02-17 15:00:00)

Global Rank:   920

Cheated in:   

Ratings System Update

(2020-02-17 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?

1792 (+36)RatingProvisional
Rating i Provisional Rating, click to know more

February Challenge 2020 Division 1(2022-12-20 00:00:00)

Global Rank:   920

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)

Practice Paths (1)

Practice for ZCO and INOI

13%

Contests (8)

April Challenge 2019 Division 2

Maximum Remaining, Fencing, Friend or Girlfriend

April Cook-Off 2019 Division 2

Random Game, Pied Piper vs Hooli, Making a Meal, Chef Learning Hungarian Algorithm

May Challenge 2019 Division 2

Matches, Reduce to One

June Challenge 2019 Division 2

Chef and Proxy

July Challenge 2019 Division 2

Parity Again, Chef and Mean , Minimum and Maximum, Circular Merging

November Challenge 2019 Division 2

Physical Exercise, Hard Sequence, Smallest Beautiful Number, Weapon Value

February Challenge 2020 Division 1

No Change Required

January Cook-Off 2020 Division 2

Chef Chick, Exam Cheating

Total Problems Solved: 37