Rabbani Islam Refat

• Username: 5★cloud_
• 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: 27

Current Ratings Graph Old Ratings Graph

2033 (+47)RatingProvisional
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Starters 144 Division 2 (Rated)(2024-07-24 22:00:02)

Global Rank:   63

Cheated in:   

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(2024-07-24 22:00:02)

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1878 (-18)RatingProvisional
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Starters 64 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   74

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

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Learning Paths (0)

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Practice Paths (0)

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Contests (27)

August Challenge 2020 Division 2

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

October Challenge 2020 Division 2

Positive AND, Covid Run, Chef and Easy Queries

January Challenge 2021 Division 3

Watching CPL, Fair Elections, Chef and Division 3, Point Of Impact, Encoded String

March Challenge 2021 Division 3

Chef and Groups, No Time to Wait, Space Arrays, Interesting XOR!

SnackDown 2021 - Online Qualifiers

Lucky Number, Maximum Number Of Distinct Elements

SnackDown 2021 - Online Round 1A

Round Robin Ranks , Dance Moves, Min Max LCM

SnackDown 2021 - Online Round 1B

Queens Placement , Largest Laddu, Help Nishant

February Cook-Off 2022 Division 3

PerMEXuation , Prefix Permutation, Peaceful Party, Lazy Salesman, Perfect Permutation

CodeChef Starters 27 Division 2 (Rated)

Distinct Binary Strings, Non Coprime Neighbours, The product mystery, String Reverse

February Lunchtime 2022 Division 2

Four Equidistant Points on a Grid, Parallel Processing, Magnet Sort

CodeChef Starters 28 Division 2 (Rated)

Travelling in the Graph, Permutation Xority, Count the Holidays

CodeChef Starters 30 Division 2 (Rated)

Minimum Coloring, Balanced Reversals, Gift Shop and Coupon

June Lunchtime 2022 Division 2 (Rated)

Zero Ones Equal One Zeros, Max Shift After XOR, Equal by XORing

Starters 51 Division 2 (Rated)

Adjacent Xors, Split N, Copy and Paste, Different Medians

Starters 61 Division 2 (Rated)

Subarray Removal, Minimise LCS, Red Blue Flowers

Starters 62 Division 2 (Rated)

Sorted Substrings, Pythagorean Pair, Make Multiple, Final Sum

Starters 64 Division 2 (Rated)

Luigi and Uniformity, Range Assign, Number of Distinct Elements Minimize, Prime Factor Division, Distinct Neighbours

February Cook-Off 2023 Division 2 (Rated)

Take Not Less, Permutation and Modulus

Starters 91 Division 2 (Rated)

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

Starters 94 Division 2 (Rated)

CodeChef Streak, Possible or Not, Search for 404, The Vowel Matrix

Starters 95 Division 2 (Rated)

Boxes, Transfusion Chain, EVacuate to Moon

Starters 114 Division 2 (Rated)

Rock-Paper-Scissors, Christmas Candy

Starters 131 Division 2 (Rated)

K-Closeness, Digit Space, Dice Deception, Encrypt Value, T-Perm

Starters 132 Division 2 (Rated)

ALIEN-OR, Optimal Flip, MEX QUERIES , Prime Query, GAME 11

Starters 133 Division 1 (Rated till 6-Star)

Powered Parameters

Starters 134 Division 2 (Rated)

Origin, Prison Escape, Rock Paper Scissors, 3out1in

Starters 136 Division 1 ( Rated till 6-Stars )

Sum of Modes

Starters 142 Division 2 (Rated)

Chef loves Pizza Chef loves halfs, Array Removal, Number Hunt

Starters 144 Division 2 (Rated)

Minimise Inversions, Budget Allotment, Largest K

Total Problems Solved: 113