Usman AR

• Username: 2★usman_shaikh
• Country:  India
• Student/Professional:Student
• Institution:Government College of Engineering, Aurangabad, Maharashtra
• CodeChef Pro Plan: No Active Plan. View Details

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Last 6 Months 2026 (Jan-Jun)2025 (Jul-Dec)2025 (Jan-Jun)

Rating Graph

No. of Contests Participated: 33

Current Ratings Graph Old Ratings Graph

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April Long One 2022, Division 3 (Rated)(2022-04-11 15:00:02)

Global Rank:   1695

Cheated in:   

Ratings System Update

(2022-04-11 15:00:02)

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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1511 (-9)RatingProvisional
Rating i Provisional Rating, click to know more

April Long One 2022, Division 3 (Rated)(2022-12-20 00:00:00)

Global Rank:   1695

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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Contests (33)

March Lunchtime 2021 Division 3

Motivation

April Challenge 2021 Division 3

Chef and Dice, Strong Language, Valid Pair, World Record

April Lunchtime 2021 Division 3

Coldplay, Chef in Heaven

April CodeChef Starters 2021 Division 3 (Rated)

Chef On Island

August Challenge 2021 Division 3 (Rated)

Chef and Bulb Invention, Problem Difficulties, Olympics Ranking

August Cook-Off 2021 Division 3

Which Division

August Lunchtime 2021 Division 3

Maximum Length Even Subarray, Programming Languages

CodeChef Starters 9 Division 3 (Rated)

Black cells in a chessboard

September Challenge 2021 Division 3 (Rated)

Shuffling Parities, Travel Pass, Airline Restrictions

SnackDown 2021 - Online Qualifiers

Lucky Number

CodeChef Starters 12 Division 3 (Rated)

Good Weather

October Challenge 2021 Division 3 (Rated)

Longest AND Subarray, Digit Removal, MEX-OR, Three Boxes, Which Mixture

September Lunchtime 2021 Division 3

Two Dishes, Vaccine Dates

CodeChef Starters 16 Division 3 (Rated)

Professor And Directions, Chef And Salary Pay, Pass or Fail

SnackDown 2021 - Online Round 1A

Dance Moves, Min Max LCM

SnackDown 2021 - Online Round 1B

Queens Placement , Largest Laddu

November Challenge 2021 Division 3 (Rated)

Which Fuel is Cheaper, Maximise the bridges, Equal Coins, Hill Sequence, Weird Palindrome Making

November Cook-Off 2021 Division 2

Missing Sums

CodeChef Starters 20 Division 2 (Unrated)

Stable Sequence

FizzBuzz Division 3 (Rated)

Magical Planks, Can_Reach, Can You Eat It

December Challenge 2021 Division 2 (Unrated)

Check Mate, Valleys and Hills, List of Lists

December Cook-Off 2021 Division 2

Musical Chairs

December Lunchtime 2021 Division 3

Chef Loves 1010, Maximum Trio, Chef and Vacation Transportation

CodeChef Starters 21 Division 3 (Rated)

Devendra and Water Sports, Akash and Grid, Covid and Theatre Tickets

CodeChef Starters 22 Division 2 (Rated)

An Interesting Sequence

Infinity 2k21 Division 3 (Rated)

The Squid Game, Red Light, Green Light

January Long 2022 - I, Division 3 (Rated)

Keplers Law, Prime in a binary string, Covid Spread

January Long 2022 - II, Division 2 (Unrated)

Crying Colours

January Cook-Off 2022 Division 3

Palindromes Not Allowed, Hungry Ashish, Mask Policy

January Lunchtime 2022 Division 3

Subarray permutations, Chef and Subset Additions, Chef and Lockout Draws

February Long 2022 - I, Division 3 (Rated)

Binary Base Basics, Bitwise Blend, N Queens Puzzle Solved !, Chef and the Hair Salon

February Cook-Off 2022 Division 3

Complete the credits, Prefix Permutation, Peaceful Party, Guess the bottom face, Lazy Salesman

February Long 2022 - II, Division 3 (Rated)

Avoid Fixed Points, World Chess Championship, Chef and NextGen, Xor Palindrome

February Lunchtime 2022 Division 3

Four Equidistant Points on a Grid, Good Program, Watching Movies at 2x

CodeChef Starters 29 Division 3 (Rated)

Plusle and Minun on Array, Bomb the base, String protocol

CodeChef Starters 30 Division 3 (Rated)

Gift Shop and Coupon, Chef and Water Bottles, Swapping Chefs Way

April Long One 2022, Division 3 (Rated)

Dazzling GCD Pair, Dazzling AXNODR Challenge , The Cooler Dilemma 2

August Long 2023 Division 3 (Unrated)

All New CodeChef, Maximum Deliciousness, I Can Use Both Hands!

Total Problems Solved: 206