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Programming and DSA

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Practice Compete Compiler
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Programming and DSA

Learn to think like a programmer. Develop your problem-solving skills with essential data structures and algorithms.

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From beginner to job-ready. Explore our curated career paths designed to help you succeed in the tech industry.

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Programming and DSA

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Catalogue

Programming and DSA

Learn to think like a programmer. Develop your problem-solving skills with essential data structures and algorithms.

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Practice Compete Compiler
Home » Toshihiro Shimizu
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Toshihiro Shimizu

  • 6★chaemon
  •   Japan
  • Professional
  • Secret
  • No Active Plan. View Details

Submissions Heat Map

Rating Graph

No. of Contests Participated: 69
2372 (+65)RatingProvisional
Rating i Provisional Rating, click to know more
April Challenge 2021 Division 1(2021-04-12 15:00:00)
Global Rank:   7
Cheated in:   

Ratings System Update

(2021-04-12 15:00:00)
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2372 (-127)RatingProvisional
Rating i Provisional Rating, click to know more
April Challenge 2021 Division 1(2022-12-20 00:00:00)
Global Rank:   7
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)

None

Contests (69)

June 2010 Contest

Graph Counting, Pricing Tollbooths, Robot Game, Tidying Posters, Prime Pattern, Squirrel and chestnut

July 2010

Closest Ranking, Happy Days, Maximal crosses

July Cook Off

Ripple-Carry Adder

August 2010 Challenge

Exit code, Obstacle Course

August Cook Off

Fetching Cooking Tools, Arranging the Appetizers, Cleaning Up

September 2010 Challenge

Brush Fire

October 2010 Challenge

Logging Game, Count palindromes

November 2010 Challenge

Randomly Testing Circuits, Bombing, Graph Challenge, Chefs Bad Day, Renting Spare Oven Time, Balanced Walks

December 2010 Challenge

The Hungry Bear, Odd Binomial Coefficients, Byteknights and Byteknaves, A String Game

January 2011 Challenge

Count Relations

March 2011 Challenge

K-Unique Sequence, Omax

April Long Contest

Gravel, Number Game Revisited, Rectangles Counting

June Long Contest 2011

Maximal Score Path, Chef Teams

July 2011 Long Contest

Most Popular Friend

August Long Contest 2011

Infinite Grid Game

August Cook-off 2011

Vote for the Noodle Soup, Open the Dragon Scroll

September Long Contest

Younger Brother, BIT Magazine

October Long Contest 2011

Dish Distribution, The Great Plain, The Baking Business, Repeated String, Lucky Palin

October Cook-off

Chef Travel Routes

November Long Contest 2011

Colored Domino Tilings and Cuts, Chefs new Pet, New Restaurant, The Postal Service, Stepping Average, Lucky Days

December 2011 Long Contest

Birthday Gift, Robot Movings

February 2012 Challenge

Box and Ball System, Lucky Count, Restore the Recipe, Lucky Long, Word Couting, Count of Maximum

March 2012 Challenge

Longest Weird Subsequence, Lucky Number, Free Shuttle Service, Home Delivery, Spoon in Matrix

April Challenge 2012

Parallel Computing, Fit to Play, Double Strings, Stacking Pancakes, Greatest Dumpling Fight

May Challenge 2012

Digits Forest, Little Elephant and Median, Jewels and Stones, Lucky lucky number, Divisible Pairs, Remember the recipe, Little Elephant and Boxes, A Home for Chef

June Challenge 2012

Polynomial Partition Function, Little Elephant and Product, Little Elephant and Candies, Magic Hull, Doom Bakes Cakes, Cool Numbers, Fly-overs, Arranging Cup-cakes

July Challenge 2012

Dynamic GCD, Favourite Numbers, Chef's Dream, My Fair Coins, The Gray-Similar Code, Little Elephant and Bubble Sort, Gift Rift, Restaurant Rating, Addition chains

August Challenge 2012

Two Magicians, Little Elephant and Bombs, Lucky Driving, Game Count, Block Game, Range of Data, Delivery Boy, Machine Gun

July Cook-Off 2012

Ciel and Receipt, Ciel and Map, Ciel and Tomya

September Challenge 2012

Lights, Kisses & Hugs, Chef World, Racing Horses, Queries About Numbers, Knight Moving, ChefTown Parade, Three is Crowd

October Challenge 2012

Little Elephant and Order, Fierce Battles, Event Organizer, Maximum Sub-rectangle in Matrix, Blade Master, The New Scheme, Need More Diamonds

November Challenge 2012

Lucky Balance, A Wonderful Chocolate, Delicious Dishes, Candy Collecting Game, Coin Flip, Jam Board, Martial Arts, Many Left, Sridhar Likes Travelling

December Challenge 2012

Sereja and Data Structures , Granama Recipes, Book Exercises, Magic Rankings, The Uncountable Ways, Pizza Delivery

January Challenge 2013

The Minimum Number Of Moves, Chef of the Year

March Challenge 2013

Tourist Translations

April Challenge 2013

Little Elephant and Music, Barcelona Gameplay Tactics, ChefGame, Kingdom Unity, Maximum Weight Difference, Levy Conjecture

May Challenge 2013

Matchsticks, Witua and Math, Tree Counting, Queries on tree again!, Password Cracking Challenge, Juno Puzzle for May, Name Reduction, Your Name is Mine, Field Trip

June Challenge 2013

Little Elephant and Mouses, Collecting Magical Berries, Just Some Permutations 3, Dessert Wizard, Two k-Convex Polygons, Count Special Matrices, Predictopus, To challenge or not, W String, Lapindromes

September Challenge 2013

Little Elephant and Exams, Merciless Chef, Cool Guys, Chef and Integers , Project Spoon, CAO Stage-1, CAO Stage-2

April Challenge 2014

Counting Matrices, Farmer Feb, Cards, bags and coins, Chef and Digits, Divide the Tangerine, Shortest Path in Binary Trees

May Challenge 2014

Little Elephant and Balloons, Compilers and Parsers, Dynamic Trees and Queries, Chef-jumping, Fun with AGp, Chef and Strange Matrix, Stone

June Challenge 2014

Little Elephant and Blocks, Maxim and Progressions, Chef and Functions, Chef and Digit Jumps, DARTS501, Chef and Subarray, Two Companies, Guessing Game, Forgot Password

July Challenge 2014

Little Elephant and Painting, Garden Game, Count Substrings, Reach The Point, Dish Owner

October Challenge 2014

Remy paints the fence, Sereja and two strings, Chef and Ground, Chef and Square, DevuLand, Dinosaurs and Laddus

February Challenge 2015

Chef and Chain, Time to Study Graphs with Chef, Chef and Strange Formula, Chef and Strings, Let us play with rank list, Xor Matrix, Chef and Equality

March Challenge 2015

Chef and Notebooks, Sign Wave, Matrix

June Challenge 2015

Chef and Memory Limit

September Challenge 2016

Chef and Friends, Dividing Machine, Chef and digits of a number, Faded Palindromes, JosephLand, Chef and calculation

October Challenge 2016

Fenwick Iterations

December Challenge 2016

Train Partner, Chef and Finding Direction, Kirito in labyrinth, Roses for Alexey, Our Base is Under Attack, Bear and Three Colours

January Challenge 2017

Capital Movement, Cats and Dogs, Sereja and Circles, Sereja and BOX, Coprime 6-tuples, Chef and Circle, Fantastic Four, Digits Cannot Separate, Reservior, Tourists in Mancunia

December Challenge 2017

Total Diamonds, Chef And his Cake, Penalty Shoot-out, Red and blue points, Chef and Hamming Distance of arrays

March Challenge 2018 DIV 1

Pishty and Triangles, Chef and Easy Problem, Chef and Gcd Queries, Mix the Colors, Minions and Voting

June Challenge 2018 Division 1

Two Flowers, Vision

December Challenge 2018 Division 1

Directing Edges

January Challenge 2019 Division 1

Yet Another Problem About Sequences, Different Neighbours, Partition the Graph, Distinct Pairs, A Pizza Slice

February Challenge 2019 Division 1

Chef and Secret Ingredients, Art of Balance

June Challenge 2019 Division 1

Lent Money, Count Arrays, Chef and Ingredients, Chef and His Dish, Sum and GCD, Forgotten Tree 9

July Challenge 2019 Division 1

Guess the Prime!, Circular Merging

August Challenge 2019 Division 1

Dilemma, Maximize an Expression

October Challenge 2020 Division 1

Inversions, Positive AND, Random Knapsack, Rooted Minimum Spanning Tree, Replace for X, D-Dimensional MST, Compress all Subsegments, Village Road Network

November Challenge 2020 Division 1

Panic! at the Disco, Chef and the Combination Lock, Connect on a Grid (Challenge), Restore Sequence, Magical Candy Store, Red-Black Boolean Expression, Scalar Product Tree, Unusual Queries

January Challenge 2021 Division 1

Curious Matrix, Chef and Ants, Guess the Tiling, Expected Number of SCCs, Blackjack

December Challenge 2020 Division 1

Hail XOR, Square Root of LCA Convolution, Calculus, Linear Combination, Permutations, Digit Matrix, String Operations, Positive Prefixes, Even Pair Sum

February Challenge 2021 Division 1

Team Name, Another Tree with Number Theory, Prime Game, Multiple Games, XOR Sums, Bash Matrix, Cell Shell

April Challenge 2021 Division 1

Binary String MEX, Tree Permutations, Worthy Matrix, Destroy the EMP Chip, Chef and Pair Flips, Water Sort Puzzle (Challenge), String Power, Chef and Dice, Brahma and Shiva, Boolean Game

Total Problems Solved: 341

2372
(Div 1)
★★★★★★
CodeChef Rating (Highest Rating 2386)
  • Inactive Global Rank
  • Inactive Country Rank

Badges

Contest Contender - Gold Badge

Contest Contender - Gold Badge

Received for participating in 50 Contests

Problem Solver - Silver Badge

Problem Solver - Silver Badge

Received for solving 250 Problems

Daily Streak - Bronze Badge

Daily Streak - Bronze Badge

Received for maintaining a streak of 5 days

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