Vaibhav Raizada

• Username: 3★vaibhav28398
• 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 2026 (Jan-Jun)2025 (Jul-Dec)2025 (Jan-Jun)

Rating Graph

No. of Contests Participated: 31

Current Ratings Graph Old Ratings Graph

1632 (-27)RatingProvisional
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May Challenge 2020 Division 2(2020-05-11 15:00:02)

Global Rank:   6948

Cheated in:   

Ratings System Update

(2020-05-11 15:00:02)

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?

1632 (+51)RatingProvisional
Rating i Provisional Rating, click to know more

May Challenge 2020 Division 2(2022-12-20 00:00:00)

Global Rank:   6948

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 (31)

September Challenge 2017

Minimum Good Permutation, Chef and Pick Digit, Little Chef and Sums

November Challenge 2017

Chef Hates Palindromes, Villages and Tribes, Chef goes Left Right Left, Periodic Palindrome Construction

December Challenge 2017

Total Diamonds, Chef And his Cake, Penalty Shoot-out, Chef and Hamming Distance of arrays

August Cook-Off 2017

Real obtuse, From heaven to earth

December Cook-Off 2017

Beautiful Array, Football Match

August Lunchtime 2017

Mathison and pangrams

September Lunchtime 2017

Chef and Cook-Off Contests

October Lunchtime 2017

Buggy Calculator

November Lunchtime 2017

Smart Strategy

January Challenge 2018

Partition the numbers, String Merging, Rectangle, K-Concatenation, Maximum Score

February Challenge 2018

Chef And His Characters, Chef And The Patents, Permutation and Palindrome

February Lunchtime 2018

Game with numbers, Jumping in the hills

March Challenge 2018 DIV 2

Mix the Colors, Minion Chef and Bananas, Minions and Voting, Chef and Glove, A Big Sale, Chef and Easy Problem

April Cook-off 2018 Division 2

Cut the Board, Binary Nim

May Cook-off 2018 Division 2

Best Cake Ever, Secret Recipe

June Cook-Off 2018 Division 2

Archi and Comparsion, Good Permutations

May Lunchtime 2018 Division 2

Trace of Matrix

April Challenge 2018 Division 1

Count Good Prefixes

June Challenge 2018 Division 2

Naive Chef

July Challenge 2018 Division 2

Magic Set, Strike or Spare

December Challenge 2018 Division 2

Chef and Interactive Contests, Chef and An Ideal Problem

June Lunchtime 2018 Division 2

Counting Pretty Numbers

August Lunchtime 2018 Division 2

Chef and Problem Setting, Chef and Eid

Quick Code (Rated for Division 2)

Immortal Frieza, Dr Geros lab, Majin Vegeta

Encoder (Rated for Division 2)

Knight Chess, Paint the Wall

January Challenge 2019 Division 2

Lucky Number Game, Distinct Pairs, Fancy Quotes

February Challenge 2019 Division 2

Chef and Magical Jars, Deputy Chef, Art of Balance, Appy and Contest, Chef and Secret Ingredients

March Challenge 2019 Division 2

Chef got Recipes, Chef and Number Game, Chef and a Beautiful Digit

April Challenge 2019 Division 2

Friend or Girlfriend, Maximum Remaining, Fencing

April Challenge 2020 Division 2

Strange Number, Squared Subsequences, Unit GCD, Sell All the Cars, Leaked Answers (Challenge), COVID Pandemic and Long Queue

May Challenge 2020 Division 2

Coronavirus Spread, Isolation Centers

Total Problems Solved: 262