Giridhari Lal

• Username: 1★hidden009
• Country:  India
• Student/Professional:Student
• Institution:Madhav Institute of Technology and Science, Gwalior
• 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: 12

Current Ratings Graph Old Ratings Graph

926 (+59)RatingProvisional
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May Challenge 2021 Division 3 (Rated)(2021-05-17 15:00:04)

Global Rank:   16700

Cheated in:   

Ratings System Update

(2021-05-17 15:00:04)

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926 (-124)RatingProvisional
Rating i Provisional Rating, click to know more

May Challenge 2021 Division 3 (Rated)(2022-12-20 00:00:00)

Global Rank:   16700

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 (12)

March Challenge 2016

maximize the sum, Palindromic substrings

April Challenge 2016

Help Watson Escape, Chef and Ballons, Chef And Magical Path, Chef And Coloring

September Challenge 2016

Chef and Matrix Division, Chef and digits of a number, Faded Palindromes, Chef and calculation

February Challenge 2017

Chef and His Apartment Dues

May Challenge 2018 Division 2

Mighty Friend, Minimum Deletions, Xor Again

August Challenge 2018 Division 2

Problem Sort, Sheokand and Number, Spell Bob

October Lunchtime 2018 Division 2

Coloring the Grid, Three Friends

Encoder (Rated for Division 2)

Knight Chess, Old Farmer, Paint the Wall

October Challenge 2019 Division 2

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

February Challenge 2020 Division 2

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

May Challenge 2021 Division 3 (Rated)

Golf, Solubility

Total Problems Solved: 43