Madhusudan Vaishnao

• Username: 4★msalpha99
• Country:  India
• Student/Professional:Professional
• Organisation:Expedia
• 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: 26

Current Ratings Graph Old Ratings Graph

1823 (-21)RatingProvisional
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May Challenge 2018 Division 2(2018-05-14 15:00:00)

Global Rank:   1244

Cheated in:   

Ratings System Update

(2018-05-14 15:00:00)

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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1823 (+218)RatingProvisional
Rating i Provisional Rating, click to know more

May Challenge 2018 Division 2(2022-12-20 00:00:00)

Global Rank:   1244

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 (26)

August Challenge 2016

Chef and Round Run

September Challenge 2016

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

October Challenge 2016

Chef and Keyboard, Fenwick Iterations, Chef and Three Dogs

November Challenge 2016

Count Permutations, Friends Meeting, Gift and Chef, Chef and squares, Task for Alexey

December Challenge 2016

Train Partner, Kirito in labyrinth, Our Base is Under Attack

October Cook-Off 2016

Watson asks Does Permutation Exist, ChefWatson uses Social Network

December Cook-Off 2016

Chef and Subset

September Lunchtime 2016

Chef and Inequality

October Lunchtime 2016

The Largest Bouquet

November Lunchtime 2016

Chef and his Students

December Lunchtime 2016

Superheroes and villains, Fly height mode

January Challenge 2017

Capital Movement, Cats and Dogs, Reservior, Tourists in Mancunia

February Challenge 2017

Chef and Triangles, Chef and His Apartment Dues, Most Frequent Element, Gerrymander

March Challenge 2017

Bandwidth of a matrix, Xenny and Alternating Tasks, Cooking Schedule, Bear and Extra Number

February Lunchtime 2017

Bear and House Queries, Bear and Milky Cookies

April Challenge 2017

Dish Of Life, Bear and Row 01, Similar Dishes

May Challenge 2017

Median of adjacent maximum numbers, Courses in an university, Chef and his daily routine

September Challenge 2017

Minimum Good Permutation, Little Chef and Sums

October Challenge 2017

Chef and a great voluntary Program, Max Mex, Counter Test For CHEFSUM, A Balanced Contest

November Challenge 2017

Chef Hates Palindromes, Villages and Tribes, Periodic Palindrome Construction, Chef goes Left Right Left

March Lunchtime 2017

Bear and Ladder

April Lunchtime 2017

Bear and Segment 01

May Lunchtime 2017

Prefix Inversions

June Lunchtime 2017

Maximum Unique Segment, Two Numbers

July Lunchtime 2017

Find the Maximum Value

August Lunchtime 2017

Mathison and the Dynamo shuffle, Mathison and pangrams

May Challenge 2018 Division 2

Mighty Friend, Minimum Deletions, Xor Again, Dibs on Fibs

Total Problems Solved: 83