hama_du

• Username: 5★hama_du
• Country:  Japan
• Student/Professional:Professional
• Organisation:teamLab
• 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: 7

Current Ratings Graph Old Ratings Graph

2127 (+49)RatingProvisional
Rating i Provisional Rating, click to know more

June Challenge 2015(2015-06-15 15:00:00)

Global Rank:   206

Cheated in:   

Ratings System Update

(2015-06-15 15:00:00)

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?

2127 (+40)RatingProvisional
Rating i Provisional Rating, click to know more

June Challenge 2015(2022-12-20 00:00:00)

Global Rank:   206

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)

None

Practice Paths (0)

None

Contests (7)

October Challenge 2012

Fierce Battles, Event Organizer, The New Scheme, Need More Diamonds, Little Elephant and Order

November Challenge 2012

Sridhar Likes Travelling, Arithmetic Progressions, Many Left, Jam Board, Coin Flip, Candy Collecting Game, Delicious Dishes, A Wonderful Chocolate, Lucky Balance

January Challenge 2014

Magic Trick, Sereja and Graph, ForbiddenSum, Meteor, Bon Appetit, Please like me, Chef and Feedback

March Challenge 2014

Team Split, Mike and Stamps, Little Chef and Numbers, Binary Tournament, Walk

April Challenge 2015

Count Sequences, Chef and Interview, Broken Telephone, Chef and Piano Scales

May Challenge 2015

Chef and new recipe, Special Economic Zone, Chef and Cake, Set Difference , Chef and Prime Divisors, Devu and binary String

June Challenge 2015

Steady tables, Chef and His Friend, Chef and Memory Limit, Chef and Polygons, Anticommutative implication, Chef and String

Total Problems Solved: 46