Shikhar Srivastava

• Username: 6★codeextractor
• Country:  India
• Student/Professional:Student
• Institution:National Institute of Technology, Hamirpur
• 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: 21

Current Ratings Graph Old Ratings Graph

2256 (+45)RatingProvisional
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May Challenge 2017(2017-05-18 15:00:00)

Global Rank:   86

Cheated in:   

Ratings System Update

(2017-05-18 15:00:00)

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2256 (+17)RatingProvisional
Rating i Provisional Rating, click to know more

May Challenge 2017(2022-12-20 00:00:00)

Global Rank:   86

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 (21)

January Challenge 2015

Sereja and Votes, Chef and Stones

February Challenge 2015

Chef and Strange Formula, Chef and Chain, Chef and Equality, Chef and Strings, Let us play with rank list

March Challenge 2015

Chef and Notebooks, Sign Wave

April Challenge 2015

Count Sequences, Chef and Interview, Broken Telephone, Chef and Piano Scales

July Challenge 2015

Na2a and lucky stone, Chef and Cube, MasterChef, Bread

August Challenge 2015

Way Out, Gravity Guy, Devu And Churu , Cooking Machine, Aditi and Magic Trick

September Challenge 2015

Cracking the Code, Lighthouses, Count Steps in Matrix, Nikitosh and xor, Chain of Doughnuts, Bank robbery

October Challenge 2015

Time measure, Count Subarrays, Who dares to be a millionaire, Spheres, Cyclic shifts in permutation, Rupsa and Equilateral Triangle

November Challenge 2015

Receipt Recovery, Chef and cakes, Simple Sum, Eugene and function, Chef and collection of stamps, Ingredients

February Lunchtime 2015

Lucky Four

June Lunchtime 2015

Chef and Two Strings

June Challenge 2016

Devu and an Array, Chef and cities, Chef and Coins Game, Chef And Binary Operation, Chef and Rectangle Array, Chef And The Hiring Event, Chef and Array and K

July Challenge 2016

Andrash and Stipendium, Chef and Segments, Chef and Tetris, Chef and special numbers, Chef and Robots Competition, Chefland and Electricity, Scheduling jobs on a cluster

August Challenge 2016

Chef and His Garden, Maximum Grid, Funny gnomes, Chef and Round Run, Chef and Chocolate, Chef and Circle Run, Fighting Ebola

September Challenge 2016

Chef and calculation, JosephLand, Faded Palindromes, Chef and Matrix Division, Dividing Machine, Chef and Friends, Chef and digits of a number

May Cook-Off 2016

Phantasialand

August Cook-Off 2016

Tweedle-Dee and Tweedle-Dum

September Cook-Off 2016

Lazy Jem, The Lost Arithmetic Sequences

August Lunchtime 2016

Studying Alphabet, Lock-Free Stack

March Challenge 2017

Xenny and Alternating Tasks, Bandwidth of a matrix, Bear and Extra Number, Pishty and birthday, Completing favorite game, Cooking Schedule

May Challenge 2017

Chef and Sub Array , Long Sandwich , Gotham PD, Chef and his daily routine, Courses in an university, Blocked websites, Median of adjacent maximum numbers, Chef and Subsequences

Total Problems Solved: 124