Raja Keshri

• Username: 3★raja003
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Technology Dhanbad
• CodeChef Pro Plan: No Active Plan. View Details

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

Rating Graph

No. of Contests Participated: 37

Current Ratings Graph Old Ratings Graph

1799 (+8)RatingProvisional
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Starters 98 Division 2 (Rated)(2023-07-12 22:30:02)

Global Rank:   757

Cheated in:   

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(2023-07-12 22:30:02)

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1755 (-183)RatingProvisional
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July Cook-Off 2022 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   484

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

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Learning Paths (0)

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Contests (37)

April Challenge 2021 Division 3

World Record, Valid Pair

May Challenge 2021 Division 3 (Rated)

Solubility, Golf

June Challenge 2021 Division 3 (Rated)

Summer Heat, Bella ciao

June Lunchtime 2021 Division 3

HTML Tags, Richie Rich

June CodeChef Starters 2021 Division 3 (Rated)

Cyclic Quadrilateral

August Challenge 2021 Division 3 (Rated)

Problem Difficulties, Olympics Ranking

August Lunchtime 2021 Division 3

Maximum Length Even Subarray, Programming Languages

CodeChef Starters 8 Division 3 (Rated)

Javelin Qualification, Penalty Shots

CodeChef Starters 9 Division 3 (Rated)

Black cells in a chessboard, Bus full of passengers, Large Square

CodeChef Starters 10 Division 3 (Rated)

Hardest Problem Bet, Odd Repeat, Maximise the Subsequence Sum

September Challenge 2021 Division 3 (Rated)

Shuffling Parities, Airline Restrictions, Travel Pass

September Cook-Off 2021 Division 3

Adjacency Hatred, Fake GCD, Cars and Bikes

SnackDown 2021 - Online Qualifiers

Lucky Number

CodeChef Starters 11 Division 3 (Rated)

The Grid Fill Problem, Find the Direction, Obtain the Sum, The Two Dishes

CodeChef Starters 12 Division 3 (Rated)

Good Weather, Make it Divisible, Maximum Points

CodeChef Starters 14 Division 2 (Unrated)

Diagonal movement

September Lunchtime 2021 Division 2

Yet another SOD problem, Balanced and Unique Arrays

CodeChef Starters 16 Division 2 (Unrated)

Professor And Directions

October Lunchtime 2021 Division 2

Exactly N plus 1 Values

SnackDown 2021 - Online Round 1A

Round Robin Ranks , Dance Moves, Min Max LCM

C.O.D.E.R.S Division 3 (Rated)

The One with Russ, The One Where It All Began

December Lunchtime 2021 Division 3

Chef and Vacation Transportation , Chef Loves 1010, Maximum Trio

Infinity 2k21 Division 3 (Rated)

Red Light, Green Light, The Squid Game

January Long 2022 - I, Division 3 (Rated)

Keplers Law, Covid Spread, Prime in a binary string

January Long 2022 - II, Division 3 (Rated)

Power Sum, TCS Examination, Chef and Fixed Deposits

CodeChef Starters 25 Division 3 (Rated)

Building Towers, Equal MEX, Points and Lines, Fit in Data Type, Chef and His Fruit Stand

February Long 2022 - II, Division 2 (Unrated)

Avoid Fixed Points, Xor Palindrome

July Cook-Off 2022 Division 2 (Rated)

Permutation And Median, Segmentation Fault, Xor Permutation

June Cook-Off 2022 Division 2 (Rated)

Simple XOR, Break the Stick

Starters 42 Division 2 (Rated)

Minimum or Maximum, Divisible by 3

Starters 44 Division 2 (Rated)

Atleast and Atmost, Triple Xor, Dense Bracket Sequence

Starters 43 Division 2 (Rated)

Distinct Palindrome, The Optimal Pairs

June Lunchtime 2022 Division 2 (Rated)

Zero Ones Equal One Zeros, The Lost Array, XOR Times 2 Is Sum, Equal by XORing

Starters 45 Division 2 (Rated)

Even Equal Odd, Xor and Multiply, KBG and GN-Theory, Retrieve the Array, Adjacent Sum Parity

Starters 92 Division 2 (Rated)

Dotify Playlist, Distance Coloring, Rectangular Tiling

Starters 93 Division 2 (Rated)

Break Free, NASA, Problem

Starters 94 Division 2 (Rated)

CodeChef Streak, Possible or Not, The Vowel Matrix

Starters 95 Division 2 (Rated)

Boxes, Transfusion Chain, EVacuate to Moon

Starters 98 Division 2 (Rated)

3-Blast Palindrome, Airport Management, Ball Distribution

Total Problems Solved: 138