Tatsuhito Yamagata

• Username: 7★tatyam
• Country:  Japan
• Student/Professional:Student
• Institution:Tokyo Institute of Technology
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

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

Rating Graph

No. of Contests Participated: 10

Current Ratings Graph Old Ratings Graph

2634 (+2)RatingProvisional
Rating i Provisional Rating, click to know more

Starters 173 (Rated upto < 2700)(2025-02-12 22:30:00)

Global Rank:   35

Cheated in:   

Ratings System Update

(2025-02-12 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?

2531 (+81)RatingProvisional
Rating i Provisional Rating, click to know more

December Lunchtime 2021 Division 1(2022-12-20 00:00:00)

Global Rank:   17

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 (10)

March Challenge 2019 Division 2

Chef and Number Game, Chef got Recipes, Chef and a Beautiful Digit

March Lunchtime 2020 Division 2 (Unrated)

Maximize LCM, Strip in a Tree!, Chef Swaps Digits, Good Prefix

May Lunchtime 2021 Division 3

Birthday Gifts, Charges, Hoop Jump, Tom And Jerry 1, Total Components, K-Subarrays

July Lunchtime 2021 Division 2

Longest Good Segment, Array Rotation Returns, Xor Separation, Beautiful Pairs

SnackDown 2021 - Online Qualifiers

Lucky Number, Maximum Number Of Distinct Elements

SnackDown 2021 - Online Round 1A

Round Robin Ranks , Dance Moves, Equal Beauty, Min Max LCM

SnackDown 2021 - Online Round 1B

Queens Placement

SnackDown 2021 - Online Pre-Elimination

Non-Decreasing Subsequence of size K, Product Pain, Guests like slippers, Mega mu - 1, Mega mu - 2

SnackDown 2021 - Online Elimination Round (Rated for all)

Sorter Prodigy, Graduate Work Matters, Random Convex Hull, Sorting Segments

December Lunchtime 2021 Division 1

In-tree-active Node Coloring, Optimal Sorting, Romantic Reversals, Sleep Technique , Point constraints

February Cook-Off 2023 Division 1 (Rated)

Take Not Less, Alice Potter and OWL, Alice Potter And Dumbledore Army

Starters 83 Division 1 (Rated)

Restoration, Rotate to Minimum, Order by XOR, Beauty Sum, Mex Segments, Construct String

Starters 111 Division 1 (Rated till 6 Stars)

LCM Mania, Prefixing, Prime Range Game, Beautiful Strings

Starters 144 Division 1 (Rated)

Find P, Largest K, Minimise Inversions, Sort Lexicographically

Starters 173 (Rated upto < 2700)

Cool Subsequences, Introverts, Cool Checker, Min-Max Product Partition, Time Penalty, Overwrite

Total Problems Solved: 64