Devraj Kumar

• Username: 4★viraat_noob
• Country:  India
• Student/Professional:Student
• Institution:National Institute of Technology Patna Bihar, India
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

Last 6 Months 2026 (Jan-Jun)2025 (Jul-Dec)2025 (Jan-Jun)

Rating Graph

No. of Contests Participated: 13

Current Ratings Graph Old Ratings Graph

1970 (+50)RatingProvisional
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CodeChef Starters 11 Division 2 (Rated)(2021-09-15 23:00:02)

Global Rank:   30

Cheated in:   

Ratings System Update

(2021-09-15 23:00:02)

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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1970 (-95)RatingProvisional
Rating i Provisional Rating, click to know more

CodeChef Starters 11 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   30

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 (13)

July Challenge 2020 Division 2

Chefina and Swaps, Ada King, Chef and Strings, Chef and Card Game, Missing a Point, Doctor Chef

September Challenge 2020 Division 2

Chefina and Swap, A Problem on Sticks, Chef and Trump Cards, Find XOR, Ada Matrix, Coronavirus Spread 2

July Cook-Off 2020 Division 2

OR-thodox Distinction, Even-tual Reduction

August Cook-Off 2020 Division 1

Polygon Relationship, K-Foldable String

August Lunchtime 2020 Division 1

Game on a Strip

June Cook-Off 2020 Division 2

Cache Hits

June Lunchtime 2020 Division 2

Maximum AND, Chef and Demonetisation, Increasing Decreasing

January Challenge 2021 Division 2

Fair Elections, Chef and Ants, Watching CPL

January Lunchtime 2021 Division 2 (Unrated)

Good Grid, Dreams of Divisibility, Binary Subsequence, Even Differences, Even Sum

Coders' Legacy (Rated for all)

Chef vs Doof, Doof on Cartesian

February Lunchtime 2021 Division 2

Coprime Range, Palpal Strings, Sed Max, Average Sorting

April Lunchtime 2021 Division 2

Chef in Heaven , Bench Press, Array Rotation

May Lunchtime 2021 Division 2

Charges, Tom And Jerry 1, Total Components, K-Subarrays

CodeChef Starters 11 Division 2 (Rated)

Positive Spewing, The Grid Fill Problem, Obtain the Sum, A Counting Problem

Total Problems Solved: 69