Owais Khan

• Username: 5★owaiskhan11
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Technology Bombay Mumbai, Maharashtra, India
• 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: 10

Current Ratings Graph Old Ratings Graph

2067 (-15)RatingProvisional
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December Challenge 2016(2016-12-12 15:00:00)

Global Rank:   540

Cheated in:   

Ratings System Update

(2016-12-12 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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2067 (-3)RatingProvisional
Rating i Provisional Rating, click to know more

December Challenge 2016(2022-12-20 00:00:00)

Global Rank:   540

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 (10)

January Challenge 2015

Chef and A Large Permutation, Queries on the String, Gcd Queries, One Dimensional Kingdoms, Sereja and Votes, Chef and Stones

June Challenge 2015

Steady tables, Chef and Memory Limit, Chef and String

July Challenge 2015

Addition and Multiplication, Bread, MasterChef, Na2a and lucky stone, Chef and Cube

August Challenge 2015

Chef and insomnia

August Cook-Off 2015

Chef and the XORed Number , Chef and the Wildcard Matching

October Cook-Off 2015

Word Stem, Almost Sorted Permutation

November Challenge 2016

Count Permutations, Friends Meeting, Urban Development, Gift and Chef, Chef and squares, Task for Alexey

December Challenge 2016

Kirito in labyrinth, Our Base is Under Attack, Train Partner

September Cook-Off 2016

Lazy Jem, The Lost Arithmetic Sequences, Counting Strings, Find The Point

October Cook-Off 2016

Sherlock and the Ugly Flower, Watson asks Does Permutation Exist, ChefWatson uses Social Network

Total Problems Solved: 49