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• Username: 4★raj79
• Country:  India
• Student/Professional:Student
• Institution:Jalpaiguri Government Engineering College West Bengal, 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: 30

Current Ratings Graph Old Ratings Graph

1851 (+18)RatingProvisional
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May Challenge 2019 Division 1(2019-05-13 15:00:00)

Global Rank:   239

Cheated in:   

Ratings System Update

(2019-05-13 15:00:00)

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?

1851 (-110)RatingProvisional
Rating i Provisional Rating, click to know more

May Challenge 2019 Division 1(2022-12-20 00:00:00)

Global Rank:   239

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)

March Challenge 2017

Bear and Extra Number, Xenny and Alternating Tasks

April Challenge 2017

Dish Of Life, Bear and Row 01, Similar Dishes

May Challenge 2017

Chef and his daily routine, Courses in an university, Blocked websites, Median of adjacent maximum numbers

June Challenge 2017

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

July Challenge 2017

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

August Long Challenge 2017

Chef and Rainbow Array, Chef and Mover, Palindromic Game, Greedy Candidates

September Challenge 2017

Fill The Matrix, Little Chef and Sums, Minimum Good Permutation, Sereja and Commands, Chef and Pick Digit

October Challenge 2017

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

November Challenge 2017

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

March Cook-Off 2017

Safe Robot

June Cook-Off 2017

Ada and crayons

November Cook-Off 2017

Online Chess, Random Pair

April Lunchtime 2017

Bear and Segment 01

August Lunchtime 2017

Mathison and pangrams

November Lunchtime 2017

Smart Strategy

December Lunchtime 2017

Days in Month, Strange Function

January Challenge 2018

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

January Cook-Off 2018

Survive in ChocoLand, Multiple of 3

January Lunchtime 2018

Chef and Game with Sequence

February Challenge 2018

Broken Clock, Chef And His Characters, Chef And The Patents, Akanksha and End of Semester, Points Inside A Polygon, Car-pal Tunnel, (Challenge) Biased Committee, Permutation and Palindrome

February Cook-Off 2018

Chef and Cook-Off

March Challenge 2018 DIV 1

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

May Lunchtime 2018 Division 2

Trace of Matrix, Count Substrings

April Challenge 2018 Division 1

Count Good Prefixes, Chef and Same Old Recurrence, Highway Crossing, Chef and Array (Challenge), Cutting Plants

May Challenge 2018 Division 2

Mighty Friend, Minimum Deletions, Xor Again, Fake Binary Search, Dibs on Fibs

Coders' Legacy 2019 (Rated for all)

Bathwater, IPL and RCB

April Challenge 2019 Division 2

Mininum XOR over Tree, Fencing, Subtree Removal, Maximum Remaining, Friend or Girlfriend, Playing with Numbers, Kira Loves Palindromes, Offer for Chef

April Cook-Off 2019 Division 1

Random Game, Pied Piper vs Hooli

May Challenge 2019 Division 1

Ada Rooks 2

Alkhwarizm (Rated for all)

Weirwood Trees, Danny Wants To Know, They are COMING

Total Problems Solved: 160