Yadunandan Ahuja

• Username: 4★yaduahuja
• Country:  India
• Student/Professional:Student
• Institution:S.C.D Government College, Ludhiana
• 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: 20

Current Ratings Graph Old Ratings Graph

1849 (+9)RatingProvisional
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CodeChef Starters 33 Division 2 (Rated)(2022-04-06 23:00:02)

Global Rank:   567

Cheated in:   

Ratings System Update

(2022-04-06 23:00:02)

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1849 (-64)RatingProvisional
Rating i Provisional Rating, click to know more

CodeChef Starters 33 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   567

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 (20)

January Challenge 2021 Division 3

Chef and Division 3, Fair Elections, Encoded String, Point Of Impact

February Challenge 2021 Division 3

Frog Sort, Team Name, Chef and Meetings, Prime Game, Maximise Function, Highest Divisor

February CodeChef Starters 2021 Division 3 (Rated)

College Life 2, Chef and Coupon

March Challenge 2021 Division 3

Chef and Groups, No Time to Wait, Space Arrays, Paparazzi Gennady, College Life 4, Interesting XOR!

April Challenge 2021 Division 2

Binary String MEX, Worthy Matrix, Chef and Dice

May Challenge 2021 Division 2 (Rated)

Valid Paths, Modular Equation, Tic Tac Toe, Xor Equality, An Interesting Sequence, Tree House

June Challenge 2021 Division 2 (Unrated)

Shortest Route

July Challenge 2021 Division 2 (Unrated)

XxOoRr, Optimal Denomination

August Challenge 2021 Division 2 (Unrated)

Problem Difficulties, Olympics Ranking

CodeChef Starters 11 Division 2 (Rated)

Positive Spewing, The Grid Fill Problem, Obtain the Sum

CodeChef Starters 13 Division 2 (Rated)

Chef in Vaccination Queue, Maximum Light Up, Magical Doors

November Challenge 2021 Division 2 (Unrated)

Equal Coins, Hill Sequence, Weird Palindrome Making

November Cook-Off 2021 Division 2

Product Pain, Make it Divisible, Missing Sums

CodeChef Starters 17 Division 2 (Rated)

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

CodeChef Starters 19 Division 2 (Rated)

Indivisible Permutation, 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

November Lunchtime 2021 Division 2

Rapid Re-Orderings, Strange Minimization, Expected Weight, Subarray Jumps

SnackDown 2021 - Elimination Parallel (Rated for Div 2)

Yet another subarray problem, Remove Element

December Lunchtime 2021 Division 2

Maximum Trio, Optimal Sorting, Romantic Reversals

Infinity 2k21 Division 2 (Rated)

Marbles

CodeChef Starters 23 Division 2 (Unrated)

Subarray Mex, Average of Three

CodeChef Starters 33 Division 2 (Rated)

Distinct Dilemma, Broken Life, Non Adjacent Flips, Make Them Equal

July Long Two 2022 Division 2 (Unrated)

To Divide or Not To Divide, Sum of Product 1

Starters 52 Division 2 (Unrated)

Minimum Sum, WA Test Cases, K-Flip

Total Problems Solved: 137