Yuta

• Username: 7★yutaka1999
• Country:  Japan
• Student/Professional:Student
• Institution:Kaisei Junior High School and Senior High School, Japan Arakawa, Tokyo, Japan
• 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: 23

Current Ratings Graph Old Ratings Graph

2632 (-52)RatingProvisional
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June Challenge 2017(2017-06-12 15:00:00)

Global Rank:   7629

Cheated in:   

Ratings System Update

(2017-06-12 15:00:00)

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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2632 (+155)RatingProvisional
Rating i Provisional Rating, click to know more

June Challenge 2017(2022-12-20 00:00:00)

Global Rank:   7629

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 (23)

November Lunchtime 2013

Lucy and the Math Analysis, Lucy and the Number Game

December Lunchtime 2013

Mike and Task Packages, Perfect Subarrays, Mike and Matrices

May Challenge 2014

Little Elephant and Balloons, Sereja and Game, Compilers and Parsers, Chef-jumping, Fun with AGp, Sereja and Subsegment Increasings, Chef and Strange Matrix, Stone

June Challenge 2014

Maxim and Progressions, Forgot Password, Guessing Game, Sereja and Arcs, Chef and Subarray, Chef and Digit Jumps, Chef and Functions, Little Elephant and Blocks

July Challenge 2014

Dish Owner, Reach The Point, Count Substrings, Chef and Frogs, Garden Game, Little Elephant and Painting, Sereja and Equality

January Lunchtime 2014

Chef and Shop, Chef and String, Chef and Numbers, Chef and Way

February Lunchtime 2014

Sereja and Two Arrays, Sereja and ASum, Sereja and D, Sereja and Arrays

May Lunchtime 2014

Divisible Subset, Brand New Game, Roots of a Tree, Approximately II

July Lunchtime 2014

And Operation, Shift The String, Lowest Common Ancestor, Simple Editor

August Lunchtime 2014

Harrenhal, Wall

September Lunchtime 2014

Chef and medium problem 2, Chef and easy problem 2, Chef and easy problem, Chef and medium problem

October Lunchtime 2014

And Tuples, Physics Class, Cascading Style Sheets, Tanu and Head-bob

December Lunchtime 2014

Delivery Man, Sum Of Binomial Coefficent , Queries On Tree, String Matching

January Lunchtime 2015

Piece of cake, Candidate walk, Many bananas

April Challenge 2015

Count Sequences, Devus and their voting system, Black-white Board Game, Chef and Piano Scales, Inversion sorting, Broken Telephone, Chef and Interview, Chef and Array

June Challenge 2015

Chef and String, Chef and Polygons, Chef and Memory Limit, Steady tables, Chef and His Friend

February Lunchtime 2015

Lucky Four, Heavy-light Decompositions, The Warehouse

April Lunchtime 2015

House Cleaning, Euler Totient Function Extended, Tickets

June Lunchtime 2015

Chef and Sets, Chef and Two Strings, Chef and Submatrix, Chef and Bitwise OR Operation

September Lunchtime 2015

Coffee Breaks, Many Lists, Pattern matching, Sum of palindromic numbers

December Lunchtime 2015

Computer Network, Ancient Berland Roads, Distinct Codes

June Challenge 2017

Chef and the Feast

May Lunchtime 2017

Prefix Inversions, Post Tree, SubInversing

Total Problems Solved: 110