CodeChef Logo CodeChef Logo
Courses

Programming and DSA

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

Career Paths

From beginner to job-ready. Explore our curated career paths designed to help you succeed in the tech industry.

Other Courses

Programming and DSA

Explore courses

Catalogue

Programming and DSA

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

Career Paths

From beginner to job-ready. Explore our curated career paths designed to help you succeed in the tech industry.

Other Courses

Explore courses
Practice Compete Compiler
Upgrade to Pro
Courses

Programming and DSA

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

Career Paths

From beginner to job-ready. Explore our curated career paths designed to help you succeed in the tech industry.

Other Courses

Programming and DSA

Explore courses

Catalogue

Programming and DSA

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

Career Paths

From beginner to job-ready. Explore our curated career paths designed to help you succeed in the tech industry.

Other Courses

Explore courses
Practice Compete Compiler
Home » sajib kumar biswas
user profile

sajib kumar biswas

  • 3★sajib_biswas
  •   Bangladesh
  • Student
  • Islamic University, Bangladesh
  • No Active Plan. View Details

Submissions Heat Map

Rating Graph

No. of Contests Participated: 23
1791 (+62)RatingProvisional
Rating i Provisional Rating, click to know more
August Lunchtime 2021 Division 2(2021-08-28 22:30:02)
Global Rank:   91
Cheated in:   

Ratings System Update

(2021-08-28 22:30:02)
This is the difference due to changing the rating system.This graph is not updated after 20th Dec 2022. Know more
How the rating system works?
1791 (-221)RatingProvisional
Rating i Provisional Rating, click to know more
August Lunchtime 2021 Division 2(2022-12-20 00:00:00)
Global Rank:   91
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 (1)

learn-icon

Practice for ZCO and INOI

10%

Contests (23)

June Challenge 2018 Division 2

Naive Chef

February Challenge 2019 Division 2

Chef and Magical Jars, Chef and Secret Ingredients, Appy and Contest, Art of Balance, Deputy Chef

April Lunchtime 2019 Division 2

Attendance, Fast Food

May Challenge 2019 Division 2

Reduce to One

July Challenge 2019 Division 2

Chef and Mean , Minimum and Maximum

August Challenge 2019 Division 2

Dilemma, Football, Distribute Apples

October Challenge 2019 Division 2

Chef and Maximum Star Value, Array Modification, Operations on a Matrix, Phone Prices

April Challenge 2020 Division 2

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

May Challenge 2020 Division 2

Coronavirus Spread, Isolation Centers

June Challenge 2020 Division 2

Even Matrix, The Tom and Jerry Game!, Chef and Icecream, Chef and String, Chef and Price Control

July Challenge 2020 Division 2

Ada King, Chef and Strings, Chef and Card Game

August Challenge 2020 Division 2

Chef Wars - Return of the Jedi, Another Card Game Problem, Chef and Linear Chess

September Challenge 2020 Division 2

A Problem on Sticks, Ada Matrix

December Challenge 2020 Division 2

Vaccine Production, Vaccine Distribution, Positive Prefixes, Even Pair Sum

April Lunchtime 2021 Division 2

Bench Press, Array Rotation, Chef in Heaven

April CodeChef Starters 2021 Division 3 (Rated)

Maximum Size, Thief and Police, Chef On Island, Hiring Test

May Challenge 2021 Division 2 (Rated)

Xor Equality

June Lunchtime 2021 Division 2

False Number

July Challenge 2021 Division 3 (Rated)

Chef vs Bharat, Relativity, Maximum Production, Optimal Denomination, XxOoRr

July Cook-Off 2021 Division 2

XOR-ORED, Mod Equality

July Lunchtime 2021 Division 2

Beautiful Pairs, Array Rotation Returns, Longest Good Segment

August Challenge 2021 Division 2 (Unrated)

Olympics Ranking, Problem Difficulties

August Cook-Off 2021 Division 2

Different String, Chef and Closure, Equal Difference, Clear the Array

August Lunchtime 2021 Division 2

K-th Maximum, Crossing Blocks, Just a Graph, Chef and Deque

AlgoManiac - Code For Future Division 1 (Unrated)

The Rumbling, Meet In The Median, The Old Saint And Three Questions, Say No To Drugs, Planetary Path

September Challenge 2021 Division 1 (Unrated)

XOR Equal, Shuffling Parities, Airline Restrictions, Travel Pass

SnackDown 2021 - Online Qualifiers

Lucky Number

SnackDown 2021 - Online Round 1A

Round Robin Ranks , Dance Moves, Min Max LCM

Total Problems Solved: 290

1791
(Div 2)
★★★
CodeChef Rating (Highest Rating 1791)
  • Inactive Global Rank
  • Inactive Country Rank

Badges

Contest Contender - Bronze Badge

Contest Contender - Bronze Badge

Received for participating in 5 Contests

Problem Solver - Silver Badge

Problem Solver - Silver Badge

Received for solving 250 Problems

Daily Streak - Bronze Badge

Daily Streak - Bronze Badge

Received for maintaining a streak of 5 days

Recent Activity

Fetching recent activity

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

ROADMAPS

Learn Python
Learn Java
Learn C
Learn C++
Data structures and Algorithms
Competitive Programming
More Roadmaps

CAREER PATHS

React JS Developer
Full stack Developer
SQL for Data Analysis
Frontend Developer
Java Backend Developer
Data Analysis using Python
Python Backend Developer
C++ Developer
Machine Learning using Python

COMPILERS

HTML online compiler
C++ online compiler
C online compiler
Java online compiler
Python online compiler
SQL online compiler
JavaScript online compiler
React online compiler
More compilers

COMPANY

About us
For colleges
Coding Contests
Blogs
Contact us
Privacy Policy
Frequently Asked Questions

© 2026 CodeChef Inc. All rights reserved.

We use cookies to improve your experience and for analytical purposes. Read our Privacy Policy and Terms to know more. You consent to our cookies if you continue to use our website.