Abdul Ahad Khan

• Username: 5★abdul030801
• Country:  India
• Student/Professional:Student
• Institution:Motilal Nehru National Institute of Technology Allahabad Uttar Pradesh, India
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

Last 6 Months 2025 (Jan-Jun)2024 (Jul-Dec)2024 (Jan-Jun)

Rating Graph

No. of Contests Participated: 32

Current Ratings Graph Old Ratings Graph

2022 (+31)RatingProvisional
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Starters 86 Division 2 (Rated)(2023-04-19 22:00:02)

Global Rank:   72

Cheated in:   

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(2023-04-19 22:00:02)

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1962 (-66)RatingProvisional
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CodeChef Starters 19 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   59

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

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Learning Paths (0)

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Practice Paths (0)

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Contests (32)

October Challenge 2020 Division 2

Positive AND, Covid Run, Chef and Easy Queries

November Challenge 2020 Division 2

Restore Sequence, Ada and Dishes

December Challenge 2020 Division 2

Positive Prefixes, Even Pair Sum, Vaccine Production, Vaccine Distribution

December Cook-Off 2020 Division 2

Self-Destructing Strings, Catch the Thief, Minimum Attendance Requirement

January Cook-Off 2021 Division 2

Prime Tuples

December Lunchtime 2020 Division 2 (Unrated)

Three Letters, Sed Sequences

January Lunchtime 2021 Division 2 (Unrated)

Dreams of Divisibility, Binary Subsequence, Even Differences, Even Sum

October Cook-Off 2020 Division 2

Split the Str Ing, Decreasing Srrnmieeda

InfInITy 2k20 Division 2 (Rated)

Empire Business , The One Who Knocks!

February Challenge 2021 Division 2

Frog Sort, Team Name, Prime Game, Maximise Function

March Challenge 2021 Division 2

Interesting XOR!, Space Arrays

April Cook-Off 2021 Division 2

Chocolate Monger

April Lunchtime 2021 Division 2

Chef in Heaven , Bench Press, Array Rotation

SPYBITS IIT BHU Division 2 (Rated)

B - Valentine Couples, A - Save Water Save Life

May Cook-Off 2021 Division 2

The Last Problem, Chef and Subarrays

May Lunchtime 2021 Division 2

Charges, Tom And Jerry 1, Total Components

May Challenge 2021 Division 2 (Rated)

Xor Equality, Tic Tac Toe

June Cook-Off 2021 Division 2

The Wave

June Lunchtime 2021 Division 2

From Rational to Binary, False Number, Unpleasant Ones

July Cook-Off 2021 Division 2

XOR-ORED, Mod Equality

August Cook-Off 2021 Division 2

Different String, Chef and Closure, Equal Difference

September Cook-Off 2021 Division 2

Zebra Crossing, Fake Swaps, Adjacency Hatred

SnackDown 2021 - Online Qualifiers

Lucky Number

CodeChef Starters 13 Division 2 (Rated)

Chef in Vaccination Queue, Maximum Light Up, Magical Doors

October Cook-Off 2021 Division 2

Can You Reach The End, Odd Sum, 01 Subsequence

October Lunchtime 2021 Division 2

Median Rearrangement, Chef and Water Car, Exactly N plus 1 Values

SnackDown 2021 - Online Round 1B

Queens Placement , Largest Laddu, Help Nishant

CodeChef Starters 17 Division 2 (Rated)

Binary Inversion, GCD of Prefixes, String Game, Partition It, New Piece

CodeChef Starters 19 Division 2 (Rated)

P Equal To NP, Indivisible Permutation, The Alternating Sum, Distinct Elements

C.O.D.E.R.S Division 2 (Rated)

The One On The Last Night, The One with All the Candy, The One with Ross Wedding

FizzBuzz Division 2 (Rated)

Magical Planks, Clean The Sequence, Substring Minimum Function, Can_Reach

SnackDown 2021 - Elimination Parallel (Rated for Div 2)

Yet another subarray problem, Remove Element, Sorting Segments

CodeChef Starters 21 Division 1 (Unrated)

ChefWM, And Or Union, Mean equals Median

Code Drive Division 1 (Unrated)

Sum this up, Again XOR problem, Maximum Factors Problem, Count Number of Peaks

January Long 2022 - I, Division 1 (Unrated)

Retrieve back the Array, Chef and Riffles

SnackDown 2021 - Final Round Parallel Contest (Unrated)

Ones Guessing

Starters 81 Division 2 (Unrated)

Good XOR, Distinct Matrix, Divide Pages

Starters 85 Division 2 (Rated)

Crazy Bishops on Chessboard, Efficient PAN Linking, Inside The Stadium, TripTastic

Starters 86 Division 2 (Rated)

Minimum Operation, String Game , Largest Y, Maximise Score

Starters 83 Division 2 (Rated)

Construct String, Order by XOR, Restoration

Total Problems Solved: 128