Tariq Hasan Rizu

• Username: 5★trqrizu
• Country:  Bangladesh
• Student/Professional:Student
• Institution:Military Institute of Science and Technology, Bangladesh
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

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

Rating Graph

No. of Contests Participated: 30

Current Ratings Graph Old Ratings Graph

2166 (-14)RatingProvisional
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Starters 159 (Rated till 5 stars)(2024-11-06 22:00:00)

Global Rank:   80

Cheated in:   

Ratings System Update

(2024-11-06 22:00:00)

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1902 (-124)RatingProvisional
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September Lunchtime 2022 Division 1 (Rated) (Based on EJOI)(2022-12-20 00:00:00)

Global Rank:   145

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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Contests (30)

February Challenge 2021 Division 3

Chef and Meetings, Frog Sort

Starters 37 Division 3 (Rated)

Laptop Recommendation , Beat the Average, Maximum OR Minimum, Infernos

July Cook-Off 2022 Division 2 (Rated)

Permutation And Median, Xor Permutation, Segmentation Fault

Starters 44 Division 3 (Rated)

Atleast and Atmost, Triple Xor, Dense Bracket Sequence, The Attack of Knight, Jogging

Starters 45 Division 2 (Rated)

Xor and Multiply, Adjacent Sum Parity, Retrieve the Array, KBG and GN-Theory, Even Equal Odd

Starters 46 Division 2 (Rated)

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

Starters 55 Division 1 (Unrated)

OR Tuples, Balls and Boxes, Non Zero Xor, Ball Sequence

September Lunchtime 2022 Division 1 (Rated) (Based on EJOI)

Increasing Addition

Starters 71 Division 2 (Rated)

Pet Store, Flip the Prefix, Expected Sum, Maximizing LCS

Starters 75 Division 2 (Rated)

Chefs Favourite Function, Equal Hamming Distance, Prefix Ones, Three Powers of Two

Starters 99 Division 1 (Rated till 6 Stars)

Segment Three, Exclusion-Inclusion, Two Piles

Starters 123 Division 1 (Rated till 6-Stars)

Minimum And Maximum I, Yet Another Alice Bob Game, Minimum And Maximum II

Starters 124 Division 1 (Rated till 5-Stars)

Swap and Unite, Make It One

Starters 125 Division 1 (Rated till 6-Stars)

Bucket Game, Operating on A, Binary Minimal

Starters 126 Division 1 (Rated till 6 Stars)

Triangular Swaps, Tree Distance Set, Freedom

Starters127 Division 1

Array Operations, ABC Conjecture, Anti-Triangle

Starters 130 Division 1 ( Rated till 6-Stars)

Updating A, Make Equal, Good Binary String

Starters 131 Division 1 (Rated till 5 Stars)

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

Starters 132 Division 1 (Rated till 6 Stars)

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

Starters 133 Division 1 (Rated till 6-Star)

Powered Parameters

Starters 134 Division 1 (Rated till 6-Stars)

Origin, Prison Escape, 3out1in

Starters 135 Division 1 (Rated till 5-Stars)

Graph Cost, Limit of MEX, Change A to B

Starters 136 Division 1 ( Rated till 6-Stars )

Lexicographically Maximal Prefix AND, Sum of Modes

Starters 137 Division 1 (Rated till 5-Stars)

Speedrun, Unusual Queries, Double Trouble

Starters 140 Division 1 (Rated till 5-Stars)

Split Permutation, Trick Or Treat, Break The String, Tree Removal

Starters 152 (Rated till 6 stars)

Completion (Hard), Maximize Hamming Distance, Completion (Easy), Anti-Palindrome Queries

Starters 155 (Rated till 5 stars)

Array Concatanation, Prefix Suffix Min Max, Replace With First, GCD to 1 (Hard)

Starters 157 (Rated till 5 stars)

Small, Smaller, Smallest, Normal is Good, Unmedian

Starters 158 (Rated till 6 stars)

Make a Tree, Buying Game, Multiply 2 to Minimize

Starters 159 (Rated till 5 stars)

Crafty Coloring (Hard), Crafty Coloring (Easy), Super Hero, Chess Colouring, Elections

Total Problems Solved: 239