oscar

• Username: 6★oscar172772
• Student/Professional:Student
• Institution:Zhejiang University China
• 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: 6

Current Ratings Graph Old Ratings Graph

2227 (+125)RatingProvisional
Rating i Provisional Rating, click to know more

SnackDown 2021 - Online Elimination Round (Rated for all)(2021-12-13 16:30:00)

Global Rank:   29

Cheated in:   

Ratings System Update

(2021-12-13 16:30:00)

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?

2227 (-80)RatingProvisional
Rating i Provisional Rating, click to know more

SnackDown 2021 - Online Elimination Round (Rated for all)(2022-12-20 00:00:00)

Global Rank:   29

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 (6)

October Challenge 2017

Chef and a great voluntary Program, Chef and Cycled Cycles, Max Mex, Counter Test For CHEFSUM, A Balanced Contest, Chef and Magic Arrays

October Challenge 2019 Division 2

Even Edges, Missing Number, Bacterial Reproduction, Chef and Maximum Star Value, Array Modification, Operations on a Matrix, Phone Prices

November Challenge 2019 Division 1

Physical Exercise, Single Point of Failure, From Zero to Infinity, Smallest Beautiful Number

December Challenge 2019 Division 1

Chefina and Ranges, Binary XOR, Sticky Notes, Addition

September Challenge 2021 Division 2 (Unrated)

Minimum Digit Sum 2, Covaxin vs Covishield, Minimize Digit Sum, Travel Pass, Airline Restrictions, Treasure Hunt, Shuffling Parities, XOR Equal, 2-D Point Meeting

SnackDown 2021 - Online Qualifiers

Prefix as a Substring 2, Lucky Number, Maximum Number Of Distinct Elements, Minimise Difference

SnackDown 2021 - Online Round 1B

Largest Laddu, Help Nishant, Queens Placement , Insider Subsequences

SnackDown 2021 - Online Pre-Elimination

Non-Decreasing Subsequence of size K, Good ranking, Product Pain, Guests like slippers, Mega mu - 1

SnackDown 2021 - Online Elimination Round (Rated for all)

One Change Subsequences, Random Convex Hull, Graduate Work Matters, Sorting Segments

Total Problems Solved: 48