Vaibhav Srivastava

• Username: 5★vaib077
• Country:  India
• Student/Professional:Professional
• Organisation:Google Inc.
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

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

Rating Graph

No. of Contests Participated: 30

Current Ratings Graph Old Ratings Graph

2030 (+47)RatingProvisional
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October Challenge 2020 Division 1(2020-10-12 15:00:00)

Global Rank:   87

Cheated in:   

Ratings System Update

(2020-10-12 15:00:00)

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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2030 (-153)RatingProvisional
Rating i Provisional Rating, click to know more

October Challenge 2020 Division 1(2022-12-20 00:00:00)

Global Rank:   87

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 (30)

November Challenge 2016

Task for Alexey

December Lunchtime 2016

Superheroes and villains

January Challenge 2017

Cats and Dogs

February Challenge 2017

Chef and Triangles, Chef and His Apartment Dues, Most Frequent Element, Gerrymander

March Challenge 2017

Bear and Extra Number, Bandwidth of a matrix, Xenny and Alternating Tasks

January Lunchtime 2017

Nothing in Common

April Challenge 2017

Dish Of Life, Bear and Row 01, Similar Dishes

June Challenge 2017

A Good Set, Pairwise union of sets, Triplets, Xenny and Coin Rankings, Chef and the Feast

July Challenge 2017

Chef and Sign Sequences, Tree Expectancy, Whats in the Name, Calculator , IPC Trainers, Two Coins

October Challenge 2017

Chef and a great voluntary Program, A Balanced Contest, Counter Test For CHEFSUM, Max Mex, Chef and Cycled Cycles, Chef and Magic Arrays, Shooting on the array

December Challenge 2017

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

June Cook-Off 2017

Ada and crayons, SnackUp

June Lunchtime 2017

Maximum Unique Segment, Two Numbers

August Lunchtime 2017

Mathison and the Dynamo shuffle, Mathison and pangrams

January Challenge 2018

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

March Challenge 2018 DIV 1

Pishty and Triangles, Minions and Voting, Mix the Colors, Chef and Easy Problem, Chef and Gcd Queries

May Cook-off 2018 Division 2

Secret Recipe, Best Cake Ever

June Cook-Off 2018 Division 1

Good Permutations

May Lunchtime 2018 Division 2

Trace of Matrix, Maximum Plus

October Challenge 2019 Division 1

Chef and Maximum Star Value

December Challenge 2019 Division 2

(Challenge) Cubical Virus, Addition, That Is My Score!, Sticky Notes, Easy Subsequence Selection, Binary XOR, Plus Multiply, Chefina and Ranges

April Challenge 2020 Division 2

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

April Cook-Off 2020 Division 2

Simple Operations, Lift Requests, Matrix Decomposition

June Challenge 2020 Division 1

The Tom and Jerry Game!, The Delicious Cake

September Challenge 2020 Division 1

Chefina and Swap, Chef and Trump Cards, Find XOR, Rotate the Polyline, Divide Candies, Ada Matrix

August Cook-Off 2020 Division 1

Polygon Relationship

June Lunchtime 2020 Division 1

Gold Mining, Square Submatrices, Maximum AND

October Challenge 2020 Division 1

Inversions, Positive AND, Replace for X, D-Dimensional MST, Compress all Subsegments, Adding Squares

Coders' Legacy (Rated for all)

Chef vs Doof, Doof on Cartesian, Doof fires Brackets

Total Problems Solved: 115