Aditya Upadhyay

• Username: 4★aditya_u74
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Technology Dhanbad
• CodeChef Pro Plan: No Active Plan. View Details

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

Rating Graph

No. of Contests Participated: 30

Current Ratings Graph Old Ratings Graph

1882 (-8)RatingProvisional
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Starters 116 Division 2 (Rated)(2024-01-10 22:15:02)

Global Rank:   727

Cheated in:   

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(2024-01-10 22:15:02)

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1875 (-44)RatingProvisional
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Starters 46 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   911

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 (30)

July Cook-Off 2021 Division 3

Shoe Fit, XOR-ORED

CodeChef Starters 7 Division 3 (Rated)

Ceiling Sum, Maximum Array Xor, Chess Format, Food Chain

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)

Add and Divide, Magical Doors, Maximum Light Up, Chef in Vaccination Queue

September Lunchtime 2021 Division 2

Balanced and Unique Arrays, Alice vs Bob Faceoff, Yet another SOD problem

October Cook-Off 2021 Division 2

Odd Sum, 01 Subsequence

October Lunchtime 2021 Division 2

Chef and Water Car, Exactly N plus 1 Values

SnackDown 2021 - Online Round 1A

Round Robin Ranks , Min Max LCM, Dance Moves

CodeChef Starters 17 Division 2 (Rated)

Binary Inversion, GCD of Prefixes, String Game, Chef on Vacation, New Piece

CodeChef Starters 19 Division 2 (Rated)

Indivisible Permutation, Distinct Elements

February Cook-Off 2022 Division 2

Perfect Permutation, PerMEXuation , Prefix Permutation

CodeChef Starters 27 Division 2 (Rated)

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

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

March Cook-Off 2022 Division 2

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

May Lunchtime 2022 Division 2 (Rated)

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

Starters 39 Division 2 (Rated)

Compress the Video, Closest Vowels, Even Subarray XOR

Starters 42 Division 2 (Rated)

Maximise Set Bits , Minimum or Maximum, Divisible by 3

Starters 43 Division 2 (Rated)

Distinct Palindrome, The Optimal Pairs

June Lunchtime 2022 Division 2 (Rated)

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

Starters 46 Division 2 (Rated)

Prime Xor, Vowel Anxiety, Array sorting, Sort the String

Starters 83 Division 2 (Rated)

Construct String, Order by XOR

Starters 90 Division 2 (Rated)

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

Starters 96 Division 2 (Rated)

Swap the numbers, Mex Array, Remove Multiples

Starters 97 Division 2 (Rated)

Schrodinger Smiley, Triplets Min

Starters 101 Division 2 (Rated)

Minimize Xor Difference, Warrior Chef, Lockpicking Chef

Starters 102 Division 2 (Rated)

Bit Play, Array Sum, Parity Permutation

Starters 113 Division 2 (Rated)

Minimise Maximum Subarray Sum, Maximum Score , Sum Neq

Starters 115 Division 2 (Rated)

Greedy LIS Algorithm, A PLUS B Remastered, Decorating Christmas Tree

Starters 116 Division 2 (Rated)

Chef Product, ORST , Access Control

Total Problems Solved: 122