Niwa Kazuhiro

• Username:3★hirokazu1020
• Country:  Japan
• Student/Professional:Student
• Institution:University of the Ryukoku
• CodeChef Pro Plan: No Active Plan. View Details

Activity Heat Map

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

Rating Graph

No. of Contests Participated: 4

Current Ratings Graph Old Ratings Graph

1775? (+100)RatingProvisional
Rating i Provisional Rating, click to know more

October Cook-Off 2015(2015-10-19 00:00:00)

Global Rank:   273

Cheated in:   

Ratings System Update

(2015-10-19 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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1775 (-57)RatingProvisional
Rating i Provisional Rating, click to know more

October Cook-Off 2015(2022-12-20 00:00:00)

Global Rank:   273

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 (4)

November Challenge 2012

A Wonderful Chocolate, Delicious Dishes, Candy Collecting Game, Coin Flip, Sridhar Likes Travelling

March Challenge 2013

Tourist Translations, Approximately, Fire Escape Routes

January Challenge 2015

Chef and Stones, Sereja and Votes, One Dimensional Kingdoms, Gcd Queries

October Cook-Off 2015

Word Stem, Almost Sorted Permutation

Total Problems Solved: 16