Rishikesh Sahu

• Username: 2★rishi14101998
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Technology Dhanbad
• 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: 17

Current Ratings Graph Old Ratings Graph

1450 (+59)RatingProvisional
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September Lunchtime 2019 Division 2(2019-09-28 22:30:02)

Global Rank:   92

Cheated in:   

Ratings System Update

(2019-09-28 22:30:02)

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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1450 (-291)RatingProvisional
Rating i Provisional Rating, click to know more

September Lunchtime 2019 Division 2(2022-12-20 00:00:00)

Global Rank:   92

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 (17)

August Cook-Off 2017

From heaven to earth

July Lunchtime 2017

Find the Maximum Value

August Lunchtime 2017

Mathison and pangrams

January Challenge 2018

Maximum Score, Rectangle

January Lunchtime 2018

Chef and Game with Sequence

February Challenge 2018

Chef And His Characters, Chef And The Patents, Permutation and Palindrome

February Lunchtime 2018

Jumping in the hills

March Challenge 2018 DIV 2

A Big Sale, Minion Chef and Bananas, Minions and Voting, Chef and Glove, Mix the Colors, Chef and Easy Problem

March Cook-off 2018 Division 2

Chef Goes to the Cinema, Chef Restores a Matrix, Chef Judges a Competition

September Mega Cook-Off 2018 Division 2

ATM Machine, Make a Permutation

October Challenge 2018 Division 2

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

June Lunchtime 2018 Division 2

Summary Power, Counting Pretty Numbers

September Lunchtime 2018 Division 2

Opposite Cites, Chef Restaurant , Judging Delay

May Lunchtime 2019 Division 2 (Unrated)

Dummy Palindromic Strings, CV

September Mega Cook-Off 2019 Division 2

Playing with Matches

September Lunchtime 2019 Division 2

Chef Feeds Cats, Chef and Football Match, All Substrings, Find the Sum

Total Problems Solved: 39