Zishan Ahmad

• Username: 3★zish0106
• Country:  India
• Student/Professional:Student
• Institution:National Institute of Technology, Jamshedpur Jharkhand, India
• 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: 27

Current Ratings Graph Old Ratings Graph

1779 (+13)RatingProvisional
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Starters 91 Division 2 (Rated)(2023-05-24 22:00:02)

Global Rank:   635

Cheated in:   

Ratings System Update

(2023-05-24 22:00:02)

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1783 (-102)RatingProvisional
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June Lunchtime 2022 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   906

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 (27)

March Challenge 2021 Division 3

No Time to Wait, Chef and Groups

April Challenge 2021 Division 3

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

May Challenge 2021 Division 3 (Rated)

Xor Equality, Tic Tac Toe, Golf, Solubility

June Challenge 2021 Division 3 (Rated)

Shortest Route, Bitwise Tuples, Bella ciao, Summer Heat

June Cook-Off 2021 Division 3

ICPC Balloons, The Wave, Chefland Visa, XOR Folding

June Lunchtime 2021 Division 2

From Rational to Binary, False Number, Unpleasant Ones

July Cook-Off 2021 Division 2

XOR-ORED

CodeChef Starters 6 Division 2 (Unrated)

Even tuples

August Lunchtime 2021 Division 2

Just a Graph, Crossing Blocks, K-th Maximum

September Cook-Off 2021 Division 3

Cars and Bikes, Zebra Crossing, Fake Swaps, Fake GCD, Adjacency Hatred

SnackDown 2021 - Online Qualifiers

Lucky Number, Maximum Number Of Distinct Elements

SnackDown 2021 - Online Round 1A

Round Robin Ranks , Dance Moves, Min Max LCM

SnackDown 2021 - Online Round 1B

Queens Placement , Help Nishant, Largest Laddu

SnackDown 2021 - Online Pre-Elimination

Product Pain

December Cook-Off 2021 Division 2

Median Minimization, Musical Chairs, RGB Construction

CodeChef Starters 21 Division 2 (Rated)

Akash and Grid, ChefWM, And Or Union

CodeChef Starters 22 Division 2 (Rated)

Equal LIS, An Interesting Sequence, Even Subset Xor

January Cook-Off 2022 Division 2

Palindromes Not Allowed, Mean Maximization, Subsegment Divisibility , Merged LIS

CodeChef Starters 24 Division 2 (Rated)

Anti Palindrome, Avoid Contact, Divisors and Reciprocals, Yet Another Constructive Problem

CodeChef Starters 27 Division 2 (Rated)

The product mystery, Non Coprime Neighbours, Distinct Binary Strings, String Reverse

February Lunchtime 2022 Division 2

Four Equidistant Points on a Grid, Parallel Processing, Magnet Sort

CodeChef Starters 28 Division 2 (Rated)

Travelling in the Graph, Permutation Xority, Count the Holidays

CodeChef Starters 29 Division 2 (Rated)

String protocol, Plusle and Minun on Array, Increase 2 consecutive characters, Decomposition Reaction

March Cook-Off 2022 Division 2

Fixed Weight, Alternating Divisibility, Janmansh at Fruit Market, Equal Mex Splitting

CodeChef Starters 32 Division 2 (Rated)

Maximize the Minimum, Finding Shoes, Flip Sorting

May Lunchtime 2022 Division 2 (Rated)

Bucket and Water Flow , Maximum Pairwise Modular Sum, Equal After And

Starters 42 Division 2 (Rated)

Maximise Set Bits , Minimum or Maximum, Divisible by 3

June Lunchtime 2022 Division 2 (Rated)

Zero Ones Equal One Zeros, Equal by XORing, XOR Times 2 Is Sum, Max Shift After XOR, The Lost Array

Starters 90 Division 2 (Rated)

Crushed Apples and a Balance Scale, Printing Binary Array, Anti Palindrome

Starters 91 Division 2 (Rated)

Odd GCD Permutation, Chef Odd, Blobby Volley Scores, Maximum Sum Permutation

Total Problems Solved: 128