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Programming and DSA

Learn to think like a programmer. Develop your problem-solving skills with essential data structures and algorithms.

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Programming and DSA

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Programming and DSA

Learn to think like a programmer. Develop your problem-solving skills with essential data structures and algorithms.

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Practice Compete Compiler
Home » Bbiswabasu Roy
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Bbiswabasu Roy

  • 4★bbiswabasu
  •   India
  • Student
  • Indian Institute of Technology Kharagpur West Bengal, India
  • No Active Plan. View Details

Submissions Heat Map

Rating Graph

No. of Contests Participated: 78
1980 (+43)RatingProvisional
Rating i Provisional Rating, click to know more
June Lunchtime 2022 Division 1 (Rated)(2022-06-19 23:10:00)
Global Rank:   64
Cheated in:   

Ratings System Update

(2022-06-19 23:10:00)
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?
1980 (-228)RatingProvisional
Rating i Provisional Rating, click to know more
June Lunchtime 2022 Division 1 (Rated)(2022-12-20 00:00:00)
Global Rank:   64
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)

Practice Paths (4)

learn-icon

Practice Basic Math

4%
learn-icon

Practice Java

1%
learn-icon

Prepare for ICPC - Past Year Problems

1%
learn-icon

Practice for ZCO and INOI

28%

Contests (78)

November Cook-Off 2016

Sebi and the highway

February Challenge 2017

Chef and His Apartment Dues

March Challenge 2017

Xenny and Alternating Tasks, Bear and Extra Number

April Challenge 2017

Dish Of Life, Similar Dishes

May Challenge 2017

Chef and his daily routine, Courses in an university

June Challenge 2017

A Good Set

July Challenge 2017

Whats in the Name

September Challenge 2017

Minimum Good Permutation, Little Chef and Sums

October Challenge 2017

A Balanced Contest

November Challenge 2017

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

December Challenge 2017

Chef And his Cake

June Cook-Off 2017

Ada and crayons

August Cook-Off 2017

Real obtuse, From heaven to earth

March Lunchtime 2017

Bear and Ladder

September Lunchtime 2017

Chef and Cook-Off Contests

January Challenge 2018

Maximum Score, Rectangle

March Challenge 2018 DIV 2

Chef and Glove

April Challenge 2018 Division 2

Workers

June Challenge 2018 Division 2

Naive Chef

July Challenge 2018 Division 2

Magic Set, Strike or Spare

September Challenge 2018 Division 2

Magician versus Chef, Chef and Adventures

December Challenge 2018 Division 2

Chef and Interactive Contests, Chef and An Ideal Problem

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

January Challenge 2019 Division 2

Fancy Quotes

February Challenge 2019 Division 2

Chef and Secret Ingredients, Appy and Contest, Deputy Chef

February Lunchtime 2019 Division 2

Average Number, The Tricky Deal

March Challenge 2019 Division 2

Chef and Number Game, Chef and a Beautiful Digit

March Lunchtime 2019 Division 2

Testing Robot, Pogo Stick Competition

April Challenge 2019 Division 2

Friend or Girlfriend, Maximum Remaining

April Lunchtime 2019 Division 2

Attendance, Fast Food

May Lunchtime 2019 Division 2 (Unrated)

CV

June Challenge 2019 Division 2

Road Signs, Chef and Proxy, Guddu on a Date, Chef and Ingredients

June Cook-Off 2019 Division 2

Multiple Choice Exam, Eat Twice

June Lunchtime 2019 Division 2

Ping Paja Pong, Magda and Silly Pairs

July Challenge 2019 Division 2

Minimum and Maximum, Chef and Mean

August Challenge 2019 Division 2

Dilemma, Football, Distribute Apples

August Cook-Off 2019 Division 2

Chef and Pepperoni Pizza, Chef Drinks Coke

September Lunchtime 2019 Division 2

Chef Feeds Cats, Chef and Football Match

October Challenge 2019 Division 2

Array Modification, Operations on a Matrix, Phone Prices

October Mega Cook-Off 2019 Division 2

Cakewalk, Medel

October Lunchtime 2019 Division 2

Khaled in HIT, Counting Inversions Revisited

November Challenge 2019 Division 2

Hard Sequence, Weapon Value

November Cook-Off 2019 Division 2

Signature, Chef Diet

December Challenge 2019 Division 2

Plus Multiply, Easy Subsequence Selection, That Is My Score!

December Cook-Off 2019 Division 2

Change It

December Lunchtime 2019 Division 2

Stupid Machine, Check Algorithm

January Challenge 2020 Division 2

Chef and Dynamo, Doraemon, Equality, Breaking Bricks

February Challenge 2020 Division 1

No Change Required

March Challenge 2020 Division 2

XOR Engine, Ada Bishop 2, Pintu and Fruits

April Challenge 2020 Division 2

Strange Number, Squared Subsequences, Ready Bitwise, Unit GCD, Sell All the Cars, Leaked Answers (Challenge), COVID Pandemic and Long Queue

May Challenge 2020 Division 1

Triple Sort, Coronavirus Spread, Chef and Bitwise Product, Isolation Centers

January Cook-Off 2020 Division 2

Chef Chick, Exam Cheating

April Cook-Off 2020 Division 2

Matrix Decomposition, Lift Requests

May Cook-Off 2020 Division 1

Roads in Chefland

February Lunchtime 2020 Division 2

At the Gates, Not All Flavours

March Lunchtime 2020 Division 2 (Unrated)

Chef Swaps Digits

April Lunchtime 2020 Division 2

Another Birthday Present!, Chef in Fantasy League

UWCOI 2020 (Rated for all)

Button Pairs, Find maximum in an Array

June Challenge 2020 Division 2

Even Matrix, The Tom and Jerry Game!, Operations on a Tuple, Chef and Icecream, Covid Sampling (Challenge), Chef and String, Chef and Price Control

July Challenge 2020 Division 2

Ada King, Chefina and Swaps, Missing a Point, Doctor Chef, Chef and Card Game, Chef and Strings

August Challenge 2020 Division 2

Insanely Hard School Exams, Subsequence Frequency Counting, Chef Wars - Return of the Jedi, Another Card Game Problem, Chef and Linear Chess, Smallest KMP, Chef and Wedding Arrangements

September Challenge 2020 Division 1

Chefina and Swap, Chef and Trump Cards, Find XOR, Ada Matrix

July Cook-Off 2020 Division 2

Even-tual Reduction, OR-thodox Distinction

July Lunchtime 2020 Division 2

Chef and Steps, Maximum Candies

June Lunchtime 2020 Division 1

Maximum AND

November Challenge 2020 Division 1

Connect on a Grid (Challenge), Restore Sequence, Magical Candy Store

December Challenge 2020 Division 1

Hail XOR, Calculus, String Operations, Positive Prefixes, Even Pair Sum

May Challenge 2021 Division 1 (Unrated)

Valid Paths, Xor Equality, Tic Tac Toe

SnackDown 2021 - Online Qualifiers

Lucky Number

SnackDown 2021 - Online Round 1A

Round Robin Ranks , Dance Moves, Equal Beauty, Min Max LCM

SnackDown 2021 - Online Round 1B

Queens Placement , Help Nishant

November Challenge 2021 Division 1 (Unrated)

Wildcard Replacement, Maximise the bridges

December Challenge 2021 Division 1 (Unrated)

Pyramid Traversal

April Long One 2022 Division 1 (Unrated)

Dazzling AXNODR Challenge , Pairwise Xors

April Long Two 2022 Division 1 (Unrated)

Geometric Mean Inequality, Chef And Division

Starters 40 Division 1 (Unrated)

Max Value of MST, Or Permutation, Good Pairs

Starters 42 Division 1 (Unrated)

Maximise Set Bits , Minimum or Maximum

Starters 44 Division 1 (Unrated)

Palindromes Not Allowed, Alternating Strings, Atleast and Atmost, Dense Bracket Sequence

June Lunchtime 2022 Division 1 (Rated)

The Lost Array, Max Shift After XOR, XOR Times 2 Is Sum, Minimum Xor On Segment

June Long Two 2022 Division 1 (Unrated)

Gcd and Lcm , Reversal Sorting

July Long One 2022 Division 1 (Unrated)

Game of Piles Version 1

August Long 2022 Division 1 (Unrated)

XOR with smallest element, Hello Equation

Total Problems Solved: 389

1980
(Div 2)
★★★★
CodeChef Rating (Highest Rating 1980)
  • Inactive Global Rank
  • Inactive Country Rank

Badges

Contest Contender - Gold Badge

Contest Contender - Gold Badge

Received for participating in 50 Contests

Problem Solver - Silver Badge

Problem Solver - Silver Badge

Received for solving 250 Problems

Daily Streak - Silver Badge

Daily Streak - Silver Badge

Received for maintaining a streak of 25 days

Recent Activity

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Workden, MNR PRIDE, 14, HAL Old Airport Rd, Domlur I Stage, 1st Stage, DOMLUR, Bengaluru, Karnataka 560071 [email protected] +91 95911 47880
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