RISHAV KUMAR SINGH

• Username: 3★rishav_986
• Country:  India
• Student/Professional:Student
• Institution:National Institute of Technology, Jamshedpur Jharkhand, 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: 19

Current Ratings Graph Old Ratings Graph

1694 (-32)RatingProvisional
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Starters 93 Division 2 (Rated)(2023-06-07 22:00:02)

Global Rank:   1883

Cheated in:   

Ratings System Update

(2023-06-07 22:00:02)

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1724 (-136)RatingProvisional
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CodeChef Starters 21 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   1187

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 (19)

March Challenge 2021 Division 3

No Time to Wait

April Challenge 2021 Division 3

Chef and Dice, Strong Language, Valid Pair, World Record

May Challenge 2021 Division 3 (Rated)

Xor Equality, Tic Tac Toe, Golf, Solubility

June Challenge 2021 Division 3 (Rated)

Shortest Route, Bitwise Tuples, Bella ciao, Summer Heat

June Cook-Off 2021 Division 3

The Wave, Chefland Visa, ICPC Balloons

June Lunchtime 2021 Division 3

False Number, HTML Tags, Richie Rich, Unpleasant Ones

August Challenge 2021 Division 3 (Rated)

Chef and Bulb Invention, Problem Difficulties, Olympics Ranking

August Lunchtime 2021 Division 3

K-th Maximum, Maximum Length Even Subarray, Programming Languages

September Challenge 2021 Division 3 (Rated)

Travel Pass, Airline Restrictions, XOR Equal, Shuffling Parities

September Cook-Off 2021 Division 2

Zebra Crossing, Fake Swaps, Adjacency Hatred

SnackDown 2021 - Online Qualifiers

Lucky Number, Maximum Number Of Distinct Elements

CodeChef Starters 11 Division 2 (Rated)

The Grid Fill Problem, Obtain the Sum

October Cook-Off 2021 Division 2

Odd Sum, 01 Subsequence

October Lunchtime 2021 Division 2

Chef and Water Car, Exactly N plus 1 Values

SnackDown 2021 - Online Round 1A

Dance Moves, Min Max LCM, Round Robin Ranks

SnackDown 2021 - Online Round 1B

Queens Placement

CodeChef Starters 19 Division 2 (Rated)

Indivisible Permutation, The Alternating Sum, Distinct Elements

CodeChef Starters 21 Division 2 (Rated)

Akash and Grid, ChefWM, And Or Union

Starters 91 Division 2 (Rated)

Odd GCD Permutation, Chef Odd, Blobby Volley Scores, Maximum Sum Permutation

Starters 93 Division 2 (Rated)

Problem

Total Problems Solved: 84