Shunsuke Toba

• Username: 4★shun_pi
• Country:  Japan
• Student/Professional:Professional
• Organisation:The University of Tokyo
• 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: 12

Current Ratings Graph Old Ratings Graph

1919 (+37)RatingProvisional
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December Lunchtime 2021 Division 2(2021-12-25 23:00:02)

Global Rank:   297

Cheated in:   

Ratings System Update

(2021-12-25 23:00:02)

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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1919 (-33)RatingProvisional
Rating i Provisional Rating, click to know more

December Lunchtime 2021 Division 2(2022-12-20 00:00:00)

Global Rank:   297

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 (12)

August Long Challenge 2017

Chef and Mover, Palindromic Game, Greedy Candidates, Chef and Rainbow Array

September Challenge 2017

Chef and Pick Digit, Minimum Good Permutation, Little Chef and Sums

October Challenge 2017

Max Mex, Counter Test For CHEFSUM, A Balanced Contest

December Cook-Off 2017

Beautiful Array, Football Match

July Lunchtime 2017

Find the Maximum Value

September Lunchtime 2017

Chef and Dice, Chef and Cook-Off Contests

October Lunchtime 2017

Buggy Calculator, Maximum Number

February Lunchtime 2018

Game with numbers, Jumping in the hills

March Challenge 2019 Division 1

Yet Again a Subarray Problem

March Cook-Off 2019 Division 1

XOR N-bonacci Sequence, Markers and Caps, Music Shopping

June Challenge 2020 Division 1

The Tom and Jerry Game!

December Lunchtime 2021 Division 2

Maximum Trio, Optimal Sorting, Romantic Reversals

Total Problems Solved: 31