Tanzir Islam

• Username: 5★tanzir5
• Country:  Bangladesh
• Student/Professional:Student
• Institution:University of Dhaka
• 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: 31

Current Ratings Graph Old Ratings Graph

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June Challenge 2020 Division 1(2020-06-15 15:00:00)

Global Rank:   129

Cheated in:   

Ratings System Update

(2020-06-15 15:00:00)

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2119 (-25)RatingProvisional
Rating i Provisional Rating, click to know more

June Challenge 2020 Division 1(2022-12-20 00:00:00)

Global Rank:   129

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 (31)

July Cook-Off 2014

Sum Queries, Copy-Paste

January Challenge 2015

Sereja and Votes

February Challenge 2015

Chef and Chain, Chef and Equality

July Challenge 2015

Bread, MasterChef, Na2a and lucky stone, Chef and Cube

August Challenge 2015

Devu And Churu , Chef and insomnia, Aditi and Magic Trick, Cooking Machine, Gravity Guy, Way Out

September Challenge 2015

Chain of Doughnuts, Count Steps in Matrix

October Challenge 2015

Count Subarrays, Who dares to be a millionaire

December Challenge 2015

Chef and Filters, Oracle Devu and Longest Common Subsequence, Chef and the stones, Plane Division

March Cook-Off 2015

How to Minimize a String

July Cook-Off 2015

Cops and the Thief Devu, Maximize Disjoint Pair Sum, Adding Special Sum

August Cook-Off 2015

Chef and the XORed Number

November Cook-Off 2015

Sereja and Line, Sereja and Array and Subtracting

December Cook-Off 2015

Chef and Subarrays, Chef and Queries

February Lunchtime 2015

Lucky Four

July Lunchtime 2015

Greedy puppy, Puppy and game

January Long Challenge 2016

Rupsa and the Game, Churu and Balls

September Challenge 2016

JosephLand

December Challenge 2016

Roses for Alexey

May Cook-Off 2016

Phantasialand

March Lunchtime 2016

Simple Statistics

May Challenge 2017

Median of adjacent maximum numbers, Courses in an university, Chef and his daily routine

March Cook-Off 2017

Rainbow Graph, Yet Another Card Game, Increasing Xor Sequence, Safe Robot

January Challenge 2018

Partition the numbers, String Merging, Rectangle, Maximum Score, K-Concatenation

February Challenge 2018

Chef And His Characters, Chef And The Patents, Permutation and Palindrome

February Lunchtime 2018

Prefix borders, Game with numbers, Jumping in the hills

March Challenge 2018 DIV 1

Minions and Voting, Embedding a Tree (Challenge), Mix the Colors, Chef and Easy Problem, Pishty and Triangles, Chef and Gcd Queries

April Cook-off 2018 Division 1

Run Direction, Binary Nim

November Cook-Off 2018 Division 1

Beautiful Garland, A-B Game

April Challenge 2018 Division 1

Chef and Same Old Recurrence, Count Good Prefixes, Highway Crossing, Cutting Plants, Vaibhav and Ministers, Chef and Array (Challenge)

November Lunchtime 2018 Division 1

Useful Number, Beats and Pieces

January Challenge 2019 Division 1

Yet Another Problem About Sequences, Different Neighbours, Distinct Pairs

June Challenge 2020 Division 1

The Tom and Jerry Game!, Operations on a Tuple, The Delicious Cake, Convenient Airports

Total Problems Solved: 155