Raj Srivastava

• Username: 4★rajsrivastava
• Country:  India
• Student/Professional:Student
• Institution:Kamla Nehru Institute of Technology Sultanpur, Uttar Pradesh, India
• 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: 39

Current Ratings Graph Old Ratings Graph

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January Cook-Off 2022 Division 2(2022-01-23 22:30:02)

Global Rank:   475

Cheated in:   

Ratings System Update

(2022-01-23 22:30:02)

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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1819 (-96)RatingProvisional
Rating i Provisional Rating, click to know more

January Cook-Off 2022 Division 2(2022-12-20 00:00:00)

Global Rank:   475

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 (39)

January Challenge 2017

Cats and Dogs

March Challenge 2017

Xenny and Alternating Tasks

June Challenge 2017

Xenny and Coin Rankings, A Good Set

July Challenge 2017

Calculator

October Challenge 2017

A Balanced Contest

November Challenge 2017

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

October Cook-Off 2017

Chef and Employment Test

November Cook-Off 2017

Random Pair

June Lunchtime 2017

Two Numbers

October Lunchtime 2017

Buggy Calculator

LoC April 2018 (Rated for Division 2)

Cricket Score

May Lunchtime 2021 Division 3

Birthday Gifts, Tom And Jerry 1, Hoop Jump

May Challenge 2021 Division 3 (Rated)

Xor Equality, Tic Tac Toe, Golf, Solubility

June Cook-Off 2021 Division 3

XOR Folding, ICPC Balloons, Chefland Visa, The Wave

June Lunchtime 2021 Division 2

From Rational to Binary, Unpleasant Ones, False Number

July Challenge 2021 Division 2 (Unrated)

XxOoRr

July Cook-Off 2021 Division 2

XOR-ORED, Mod Equality

July Lunchtime 2021 Division 2

Beautiful Pairs, Array Rotation Returns

August Cook-Off 2021 Division 2

Different String, Chef and Closure, Equal Difference

August Lunchtime 2021 Division 2

K-th Maximum, Just a Graph

CodeChef Starters 10 Division 2 (Rated)

Magical Flips, Remove One Element, Maximise the Subsequence Sum

September Cook-Off 2021 Division 2

Chef and Pairwise Distances, Zebra Crossing, Fake Swaps, Adjacency Hatred

SnackDown 2021 - Online Qualifiers

Lucky Number, Maximum Number Of Distinct Elements

CodeChef Starters 11 Division 2 (Rated)

Obtain the Sum, The Grid Fill Problem, Positive Spewing

CodeChef Starters 13 Division 2 (Rated)

Chef in Vaccination Queue, Maximum Light Up, Magical Doors

CodeChef Starters 14 Division 2 (Unrated)

Odd GCD, Diagonal movement, FIXFIX, RCB and Playoffs

October Cook-Off 2021 Division 2

Can You Reach The End, 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 , Dance Moves, Min Max LCM

SnackDown 2021 - Online Round 1B

Queens Placement , Largest Laddu, Help Nishant

SnackDown 2021 - Online Pre-Elimination

Product Pain

CodeChef Starters 17 Division 2 (Rated)

New Piece, Partition It, GCD of Prefixes, Binary Inversion, String Game

CodeChef Starters 19 Division 2 (Rated)

Indivisible Permutation, Distinct Elements

C.O.D.E.R.S Division 2 (Rated)

The One On The Last Night, The One with All the Candy, The One with Ross Wedding

FizzBuzz Division 2 (Rated)

Magical Planks, Can_Reach

December Cook-Off 2021 Division 2

Median Minimization, Musical Chairs

December Lunchtime 2021 Division 2

Romantic Reversals, Maximum Trio

CodeChef Starters 22 Division 2 (Rated)

An Interesting Sequence, Even Subset Xor, Equal LIS

Exun 2021-22 Division 2 (Rated)

Sarthak and his Magic Grid, Vedant and his Hidden Array

January Cook-Off 2022 Division 2

Palindromes Not Allowed, Mean Maximization, Subsegment Divisibility , Merged LIS

CodeChef Starters 23 Division 2 (Unrated)

Average of Three, Subarray Mex, Maximising Vacations

Total Problems Solved: 173