Ambuj Raj

• Username: 3★ambuj_2001
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Information Technology, Nagpur Maharashtra, 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: 33

Current Ratings Graph Old Ratings Graph

1669 (-27)RatingProvisional
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Starters 49 Division 2 (Rated)(2022-07-27 23:30:02)

Global Rank:   1636

Cheated in:   

Ratings System Update

(2022-07-27 23:30:02)

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1669 (-28)RatingProvisional
Rating i Provisional Rating, click to know more

Starters 49 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   1636

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 (33)

January Challenge 2021 Division 3

Chef and Division 3

January Lunchtime 2021 Division 3 (Unrated)

Pair Me

February Challenge 2021 Division 3

Chef and Meetings, Prime Game, Maximise Function, Highest Divisor

March Cook-Off 2021 Division 3

Pawri Meme, Weight Balance

CodeChef Div 3 Rated Contest 2021 Division 3

Body Mass Index, Total Score

April Challenge 2021 Division 3

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

International Coding Marathon 2021 Division 3 (Rated)

Lucky Boundaries

April CodeChef Starters 2021 Division 3 (Rated)

Chef On Island, Hiring Test

May CodeChef Starters 2021 Division 3 (Rated)

Plagiarism, Lazy Chef, Correct Sentence

May Challenge 2021 Division 3 (Rated)

Xor Equality, Tic Tac Toe, Modular Equation, Golf, Solubility

June Challenge 2021 Division 3 (Rated)

Bitwise Tuples, Bella ciao, Summer Heat

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

CodeChef Starters 12 Division 2 (Unrated)

Make it Divisible

October Challenge 2021 Division 2 (Unrated)

Longest AND Subarray, MEX-OR

October Lunchtime 2021 Division 2

Chef and Water Car, Exactly N plus 1 Values

SnackDown 2021 - Online Round 1A

Round Robin Ranks , Dance Moves, Min Max LCM

November Challenge 2021 Division 2 (Unrated)

Weird Palindrome Making, Hill Sequence, Equal Coins

November Cook-Off 2021 Division 2

Missing Sums, Make it Divisible

CodeChef Starters 19 Division 2 (Rated)

Indivisible Permutation, Distinct Elements

December Challenge 2021 Division 2 (Unrated)

List of Lists

December Cook-Off 2021 Division 2

Median Minimization, Musical Chairs

December Lunchtime 2021 Division 2

Maximum Trio, Romantic Reversals

CodeChef Starters 21 Division 2 (Rated)

Akash and Grid, And Or Union

CodeChef Starters 22 Division 2 (Rated)

An Interesting Sequence, Even Subset Xor, Equal LIS

January Long 2022 - I, Division 2 (Unrated)

Prime in a binary string

Exun 2021-22 Division 2 (Rated)

Sarthak and his Magic Grid, Vedant and his Hidden Array, Aujasvit and the Circle Game

January Lunchtime 2022 Division 2

Subarray permutations, Prefix Zeros

CodeChef Starters 24 Division 2 (Rated)

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

February Long 2022 - I, Division 2 (Unrated)

Binary Base Basics, N Queens Puzzle Solved !

CodeChef Starters 25 Division 2 (Rated)

Building Towers, Equal MEX, Points and Lines

February Cook-Off 2022 Division 2

Perfect Permutation, PerMEXuation , Prefix Permutation

February Lunchtime 2022 Division 2

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

July Cook-Off 2022 Division 2 (Rated)

Permutation And Median, Xor Permutation, Segmentation Fault

June Cook-Off 2022 Division 2 (Rated)

Simple XOR, Break the Stick

Starters 42 Division 2 (Rated)

Minimum or Maximum, Divisible by 3

Starters 43 Division 2 (Rated)

The Optimal Pairs, Distinct Palindrome

June Lunchtime 2022 Division 2 (Rated)

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

Starters 46 Division 2 (Rated)

Prime Xor, Sort the String

July Lunchtime 2022 Division 2 (Rated)

Easy Pronunciation, Yet Another Palindrome Making Problem, Maximum Median Matching, Largest Family

Starters 49 Division 2 (Rated)

Split The String, High Frequency, Valid Minimum

Total Problems Solved: 320