MD:REZAUL KARIM

• Username: 2★rana_cse
• Country:  Bangladesh
• Student/Professional:Student
• Institution:Islamic University, Bangladesh
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

Last 6 Months 2025 (Jan-Jun)2024 (Jul-Dec)2024 (Jan-Jun)

Rating Graph

No. of Contests Participated: 35

Current Ratings Graph Old Ratings Graph

1586 (-22)RatingProvisional
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September Challenge 2016(2016-09-15 15:00:00)

Global Rank:   6020

Cheated in:   

Ratings System Update

(2016-09-15 15:00:00)

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1586 (+45)RatingProvisional
Rating i Provisional Rating, click to know more

September Challenge 2016(2022-12-20 00:00:00)

Global Rank:   6020

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)

December Cook-Off 2012

Reversing directions, Packaging Cupcakes

January Challenge 2013

Chef of the Year, The Minimum Number Of Moves

April Challenge 2013

Little Elephant and Music, Barcelona Gameplay Tactics, Maximum Weight Difference, Levy Conjecture

May Challenge 2013

Name Reduction, Your Name is Mine

June Challenge 2013

Lapindromes

May Cook-off 2013

Subtraction Game 1

July Cook-off 2013

Chopsticks

August Challenge 2013

Little Elephant and Lemonade, Hello Hello, Splitting Candies

October Challenge 2013

Helping Lira, Yet Another Nice Girl, Maxim and Dividers, Little Elephant and Bamboo

November Challenge 2013

Superpowers of 2, Uncle Johny, Square Digit Squares, Missing some chairs

November Cook-off 2013

Am I a Fibonacci Number

May Cook-Off 2014

Divide the Cake, Ups and Downs

September Cook-Off 2014, ACM-ICPC Warm up

Subarray GCD

February Challenge 2014

Longest Common Pattern

March Challenge 2014

Walk, Little Chef and Numbers

April Challenge 2014

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

May Challenge 2014

Compilers and Parsers, Chef-jumping, Stone

June Challenge 2014

Chef and Subarray, Guessing Game

July Challenge 2014

Chef and Frogs, Chef and Rectangle Genome, Count Substrings, Reach The Point

September Challenge 2014

Factorisation, Chef and Left-Right, Fun with Rotation

November Challenge 2014

Distinct Characters Subsequence

December Challenge 2014

Chef and Apple Trees

October Lunchtime 2014

Tanu and Head-bob

January Challenge 2015

Chef and Stones, Gcd Queries

February Challenge 2015

Chef and Chain, Let us play with rank list, Chef and Equality

March Challenge 2015

Chef and Notebooks

April Challenge 2015

Chef and Interview, Broken Telephone

October Challenge 2015

Count Subarrays, Who dares to be a millionaire

November Challenge 2015

Eugene and function, Chef and cakes

December Challenge 2015

Chef and the stones, Oracle Devu and Longest Common Subsequence

September Challenge 2016

Chef and digits of a number, Faded Palindromes

February Cook-Off 2016

Puppy and Sum

Total Problems Solved: 95