Budhaditya Halder

• Username: 1★bh180698
• Country:  India
• Student/Professional:Student
• Institution:Indian Statistical Institute, Kolkata
• 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: 35

Current Ratings Graph Old Ratings Graph

1376 (-12)RatingProvisional
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November Challenge 2018 Division 2(2018-11-12 15:00:02)

Global Rank:   7034

Cheated in:   

Ratings System Update

(2018-11-12 15:00:02)

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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1376 (+116)RatingProvisional
Rating i Provisional Rating, click to know more

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

Global Rank:   7034

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 (35)

May Challenge 2016

Laddu

September Challenge 2016

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

November Challenge 2016

Count Permutations, Chef and squares, Task for Alexey

December Challenge 2016

Train Partner

October Cook-Off 2016

Watson asks Does Permutation Exist, ChefWatson uses Social Network

November Cook-Off 2016

Sebi and the highway

December Cook-Off 2016

Chef and Subset

April Lunchtime 2016

Coins And Triangle

July Lunchtime 2016

Drumpf for President!

August Lunchtime 2016

Studying Alphabet

September Lunchtime 2016

Chef and Inequality

October Lunchtime 2016

The Largest Bouquet

November Lunchtime 2016

Chef and his Students

January Challenge 2017

Cats and Dogs

March Challenge 2017

Bandwidth of a matrix, (CH) Bear and Sorted Rows, Xenny and Alternating Tasks, Bear and Extra Number

January Lunchtime 2017

Nothing in Common

April Challenge 2017

Similar Dishes

May Challenge 2017

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

June Challenge 2017

A Good Set, Chef and the Feast, Xenny and Coin Rankings

July Challenge 2017

Whats in the Name

April Cook-Off 2017

Bear and Candies 123

May Cook-Off 2017

La Liga

June Cook-Off 2017

Ada and crayons

March Lunchtime 2017

Bear and Ladder

April Lunchtime 2017

Bear and Segment 01

May Lunchtime 2017

Prefix Inversions

June Lunchtime 2017

Two Numbers

July Lunchtime 2017

Find the Maximum Value

International Coding League (Rated)

Cards Game

November Challenge 2018 Division 2

Chef and Difficult Contests

October Challenge 2018 Division 2

Chef and Serves, Byte to Bit

October Lunchtime 2018 Division 2

Three Friends

Total Problems Solved: 135