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Programming and DSA

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Programming and DSA

Learn to think like a programmer. Develop your problem-solving skills with essential data structures and algorithms.

Career Paths

From beginner to job-ready. Explore our curated career paths designed to help you succeed in the tech industry.

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Programming and DSA

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Catalogue

Programming and DSA

Learn to think like a programmer. Develop your problem-solving skills with essential data structures and algorithms.

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Practice Compete Compiler
Home » Rajan Kumar Raj
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Rajan Kumar Raj

  • 4★rkr_725
  •   India
  • Student
  • National Institute of Technology, Durgapur West Bengal, India
  • No Active Plan. View Details

Submissions Heat Map

Rating Graph

No. of Contests Participated: 32
1912 (+42)RatingProvisional
Rating i Provisional Rating, click to know more
July Lunchtime 2020 Division 1(2020-07-25 22:30:00)
Global Rank:   122
Cheated in:   

Ratings System Update

(2020-07-25 22:30:00)
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?
1912 (-242)RatingProvisional
Rating i Provisional Rating, click to know more
July Lunchtime 2020 Division 1(2022-12-20 00:00:00)
Global Rank:   122
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)

Practice Paths (1)

learn-icon

Practice for ZCO and INOI

1%

Contests (32)

May Cook-off 2018 Division 2

Secret Recipe

September Mega Cook-Off 2018 Division 2

OneTwo, Make a Permutation, ATM Machine

November Cook-Off 2018 Division 2

Truth and Dare, Beautiful Garland

July Challenge 2018 Division 2

Magic Set, Strike or Spare

August Challenge 2018 Division 2

Problem Sort, Sheokand and Number, Spell Bob

September Challenge 2018 Division 2

Magician versus Chef, War of XORs, Chef and Adventures

November Challenge 2018 Division 2

Appy Loves One, Chef and Happiness, Chef and Difficult Contests, Chef and Ridges

October Challenge 2018 Division 2

Appy and Balloons , Minimize Digitsum, Chef and Serves, Byte to Bit, Chef and Circles

August Lunchtime 2018 Division 2

Chef and Eid

September Lunchtime 2018 Division 2

Judging Delay, Chef Restaurant

November Lunchtime 2018 Division 2

Event

October Lunchtime 2018 Division 2

Three Friends

December Lunchtime 2018 Division 2

Print Pattern

January Challenge 2019 Division 2

Different Neighbours, Lucky Number Game, Distinct Pairs, Chef and Modulo Game, Fancy Quotes, A Pizza Slice

February Challenge 2019 Division 2

Manhattan Rectangle, Deputy Chef, Art of Balance, Appy and Contest, Chef and Secret Ingredients, Chef and Magical Jars, Guess It Right

Coders' Legacy 2019 (Rated for all)

Bathwater, IPL and RCB

June Challenge 2019 Division 1

Chef and Ingredients, Sum and GCD

July Cook-Off 2019 Division 1

Birthday Gift Again, Playing with Strings

October Challenge 2019 Division 1

Even Edges, Chef and Maximum Star Value, Array Modification, Operations on a Matrix, Phone Prices

February Challenge 2020 Division 2

Expected Change, Long Contest and Cook Off Overlaps, Hard Cash, School of Geometry, The Theatre Problem, No Change Required, Chef and Railway Stations

April Challenge 2020 Division 2

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

February Cook-Off 2020 Division 2

Penalty Shoot-Out II, Tax Slabs

April Cook-Off 2020 Division 2

Matrix Decomposition, Lift Requests

March Lunchtime 2020 Division 2 (Unrated)

Chef Swaps Digits, Good Prefix

ENIGMA - PLINTH'20 LNMIIT (Rated for all)

Recruit Villagers, Minion AND Range, Gru is Handing Out Bananas

July Lunchtime 2020 Division 1

Golomb Sequence, Binary Concatenation

June Lunchtime 2020 Division 1

Maximum AND, Gold Mining

RECode 12.0 (Rated for all)

Chef and String, Chef and Walk, Chef and Rotation, Chef and Numbers

Coders' Legacy (Rated for all)

Chef vs Doof, Doof on Cartesian, Doof fires Brackets, Jeremy gets a gift

Total Problems Solved: 473

Contributions

Problems Authored (0)

No Contribution

Problems Tested (0)

No Contribution

Editorials Contributed (2)
Contest Problem
OTHERS ALORA4
ALR20D
1912
(Div 2)
★★★★
CodeChef Rating (Highest Rating 1912)
  • Inactive Global Rank
  • Inactive Country Rank

Badges

Contest Contender - Silver Badge

Contest Contender - Silver Badge

Received for participating in 25 Contests

Problem Solver - Silver Badge

Problem Solver - Silver Badge

Received for solving 250 Problems

Daily Streak - Bronze Badge

Daily Streak - Bronze Badge

Received for maintaining a streak of 5 days

Recent Activity

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Workden, MNR PRIDE, 14, HAL Old Airport Rd, Domlur I Stage, 1st Stage, DOMLUR, Bengaluru, Karnataka 560071 [email protected] +91 95911 47880
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