Rupak Biswas

• Username: 2★rupak_biswas
• Student/Professional:Student
• Institution:State University of Bangladesh
• 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: 37

Current Ratings Graph Old Ratings Graph

1455 (-17)RatingProvisional
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April Challenge 2018 Division 2(2018-04-17 15:01:00)

Global Rank:   5134

Cheated in:   

Ratings System Update

(2018-04-17 15:01:00)

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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1455 (+9)RatingProvisional
Rating i Provisional Rating, click to know more

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

Global Rank:   5134

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 (37)

September Challenge 2013

Chef and Integers , Cool Guys, CAO Stage-2, CAO Stage-1

October Challenge 2013

Helping Lira, Maxim and Dividers

December Challenge 2013

Magic Pairs

December Lunchtime 2013

Mike and Matrices

January Challenge 2014

Bon Appetit, Please like me, Chef and Feedback

March Cook-Off 2014

Dividing Stamps

July Cook-Off 2014

Copy-Paste, Sum Queries

September Cook-Off 2014, ACM-ICPC Warm up

Sherlock and the Grid, Subarray GCD

October Cook-Off 2014

Walk on the Axis, The Army

December Cook-Off 2014

Good Joke!

February Challenge 2014

Longest Common Pattern, Little Elephant and Subarrays

March Challenge 2014

Team Split, Walk, Little Chef and Numbers

April Challenge 2014

Farmer Feb, Chef and Digits, Shortest Path in Binary Trees

May Challenge 2014

Compilers and Parsers, Chef-jumping, Stone

June Challenge 2014

Guessing Game, Chef and Subarray

July Challenge 2014

Count Substrings

August Challenge 2014

The Leaking Robot, Chef and Gift

September Challenge 2014

Chef and Left-Right, Fun with Rotation

October Challenge 2014

Chef and Ground, Magical Girl and Colored Liquid Potions

November Challenge 2014

Distinct Characters Subsequence

December Challenge 2014

Chef and Apple Trees

August Lunchtime 2014

Harrenhal, Wall

September Lunchtime 2014

Chef and easy problem, Chef and easy problem 2

January Challenge 2015

Sereja and Votes, Gcd Queries, One Dimensional Kingdoms, Chef and Stones

January Lunchtime 2015

Piece of cake

February Challenge 2015

Chef and Chain, Chef and Equality

March Challenge 2015

Chef and Notebooks

April Challenge 2015

Chef and Interview, Broken Telephone

June Challenge 2015

Chef and Memory Limit

August Challenge 2015

Cooking Machine

February Lunchtime 2015

Lucky Four

March Challenge 2018 DIV 2

A Big Sale, Mix the Colors, Chef and Glove

April Challenge 2018 Division 2

Workers

Total Problems Solved: 88