Rakib Alam Bappi

• Username: 4★rab_1804027
• Country:  Bangladesh
• Student/Professional:Student
• Institution:Chittagong University of Engineering & Technology, 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: 34

Current Ratings Graph Old Ratings Graph

1965 (-1)RatingProvisional
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Starters 150 (Rated)(2024-09-04 22:30:02)

Global Rank:   503

Cheated in:   

Ratings System Update

(2024-09-04 22:30:02)

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1920 (-77)RatingProvisional
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Starters 53 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   155

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 (34)

April Challenge 2020 Division 2

COVID Pandemic and Long Queue, Sell All the Cars

May Challenge 2020 Division 2

Isolation Centers, Coronavirus Spread

April Cook-Off 2020 Division 2

Lift Requests

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, Missing a Point, Chef and Card Game, Chef and Strings

July Cook-Off 2020 Division 2

Even-tual Reduction

July Lunchtime 2020 Division 2

Chef and Steps

June Lunchtime 2020 Division 2

Chef and Demonetisation, Increasing Decreasing

October Challenge 2020 Division 2

Positive AND, Replace for X, Covid Run, Chef and Easy Queries

November Lunchtime 2020 Division 2

Gasoline Introduction

April Lunchtime 2021 Division 2

Array Rotation, Chef in Heaven , Bench Press

May Cook-Off 2021 Division 2

The Last Problem

June Cook-Off 2021 Division 2

The Wave

June Lunchtime 2021 Division 2

From Rational to Binary, False Number

July Cook-Off 2021 Division 2

XOR-ORED, Mod Equality

July Lunchtime 2021 Division 2

Beautiful Pairs, Array Rotation Returns

CodeChef Starters 11 Division 2 (Rated)

Obtain the Sum, The Grid Fill Problem, Positive Spewing

CodeChef Starters 12 Division 2 (Unrated)

K - balanced string, Make it Divisible, Another Shortest Paths Problem, Maximum Points

September Lunchtime 2021 Division 2

Balanced and Unique Arrays, Yet another SOD problem

January Cook-Off 2022 Division 2

Palindromes Not Allowed, Mean Maximization, Subsegment Divisibility , Merged LIS

Starters 38 Division 2 (Rated)

Circular Track, Average Gift, Good Pairs

June Cook-Off 2022 Division 2 (Rated)

Simple XOR, Split AND Sum, Break the Stick

Starters 42 Division 2 (Rated)

Maximise Set Bits , Minimum or Maximum, Divisible by 3

June Lunchtime 2022 Division 2 (Rated)

Zero Ones Equal One Zeros, The Lost Array, Max Shift After XOR, XOR Times 2 Is Sum

Starters 46 Division 2 (Rated)

Array sorting, Sort the String, Vowel Anxiety, Prime Xor

Starters 47 Division 2 (Rated)

Copy and Push Back, Similar Heights, End Sorted

Starters 53 Division 2 (Rated)

Black&White Ring Game, Make A and B equal, Queen Blocks

Starters 85 Division 2 (Rated)

GCD Queries, Inside The Stadium, Crazy Bishops on Chessboard, Efficient PAN Linking

Starters 91 Division 2 (Rated)

Odd GCD Permutation, Chef Odd, Blobby Volley Scores, Maximum Sum Permutation

Starters 92 Division 2 (Rated)

Rectangular Tiling, Distance Coloring, Dotify Playlist

Starters 94 Division 2 (Rated)

CodeChef Streak, Possible or Not, The Vowel Matrix

Starters 95 Division 2 (Rated)

Boxes, EVacuate to Moon, Transfusion Chain

Starters 96 Division 2 (Rated)

Swap the numbers, Mex Array, Remove Multiples

Starters 105 Division 2 (Rated)

Take it Easy, Dull Operation, Wishcraft

Starters 150 (Rated)

Equal Pairs (Hard), Find Multiset State, Equal Pairs (Easy)

Total Problems Solved: 131