koyumeishi

• Username:5★koyumeishi
• Country:  Japan
• Student/Professional:Professional
• Organisation:Home
• 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: 5

Current Ratings Graph Old Ratings Graph

2014 (+53)RatingProvisional
Rating i Provisional Rating, click to know more

April Lunchtime 2019 Division 1(2019-04-27 22:30:00)

Global Rank:   79

Cheated in:   

Ratings System Update

(2019-04-27 22:30:00)

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?

2014 (-96)RatingProvisional
Rating i Provisional Rating, click to know more

April Lunchtime 2019 Division 1(2022-12-20 00:00:00)

Global Rank:   79

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 (5)

August Cook-Off 2015

Chef and the XORed Number , Chef and the Wildcard Matching

September Mega Cook-Off 2015

Forgotten Language

July Cook-Off 2016

Chef and Proportion, Chef and Numbers

April Lunchtime 2017

Bear and Digit Virus, Bear and Segments, Bear and Segment 01

May Lunchtime 2017

Prefix Inversions

April Lunchtime 2019 Division 1

Firdavs and Planet F, Minimum Sum

Total Problems Solved: 13