Tomohiro Nishikawa

• Username: 5★hec12
• Country:  Japan
• Student/Professional:Student
• Institution:Tokyo University of Agriculture and Technology, Fuchu
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

Last 6 Months 2026 (Jan-Jun)2025 (Jul-Dec)2025 (Jan-Jun)

Rating Graph

No. of Contests Participated: 5

Current Ratings Graph Old Ratings Graph

2146 (+112)RatingProvisional
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September Cook-Off 2017(2017-09-18 00:00:00)

Global Rank:   13

Cheated in:   

Ratings System Update

(2017-09-18 00:00:00)

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2146 (-11)RatingProvisional
Rating i Provisional Rating, click to know more

September Cook-Off 2017(2022-12-20 00:00:00)

Global Rank:   13

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)

October Challenge 2015

Count Subarrays, Who dares to be a millionaire, Spheres, Cyclic shifts in permutation, Rupsa and Equilateral Triangle, Time measure

October Lunchtime 2015

emitL, Save the nature, Fast squarer

February Challenge 2016

Devu and a light discussion, Matrix Maximum Sum, Chef-Detective, Rectangles of Love, Chef and Strange Operations, Sereja and Two Lines

August Challenge 2016

Chef and Circle Run, Chef and Chocolate, Chef and Round Run

September Cook-Off 2017

Numbers Game, Infinite OR Game, Statistics Construction, Subsequence Equality, Mixing Colors

Total Problems Solved: 26