Hirotaka Isa
- 7★akatorihasi180
- Japan
- Student
- The University of Tokyo
- No Active Plan. View Details
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(2022-07-03 22:30:00)Ratings System Update
(2022-12-20 00:00:00)Learning Paths (0)
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Practice Paths (0)
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Contests (19)
Lunch Time June 2013
Number of Factors, Online Shopping
Lunch Time July 2013
Cooking dishes, Optimal Trip
August Cook-Off 2013
Chef and The Right Triangles
July Challenge 2014
Count Substrings, Reach The Point
January Lunchtime 2014
Chef and Numbers, Chef and Way, Chef and String, Chef and Shop
April LunchTime 2014
Minimum Product, Knight Fork
March Lunchtime 2014
Statements Checking
May Lunchtime 2014
Approximately II
February Lunchtime 2015
Lucky Four
September Challenge 2017
Fill The Matrix, Little Chef and Sums, Weasel does Xor on Tree, Minimum Good Permutation, Sereja and Commands, Chef and Pick Digit, Sum of Cubes
April Lunchtime 2019 Division 1
Dream Problem, Firdavs and Planet F, Minimum Sum, Chef Rami and Inventions
December Cook-Off 2020 Division 1
Self-Destructing Strings, Sed Passwords, Circle of Chaos, Carry All Fruits
December Lunchtime 2020 Division 1 (Unrated)
Three Letters, One Zero Swaps
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 Pre-Elimination
Non-Decreasing Subsequence of size K, Guess the row, Mega mu - 2, Mega mu - 1, Product Pain, Good ranking, Guests like slippers
SnackDown 2021 - Online Elimination Round (Rated for all)
One Change Subsequences, Random Convex Hull, Graduate Work Matters, Sorting Segments
SnackDown 2021 - Final Round
Finally, Non Ad-Hoc Problem, AND of Maximums, Equal Number of Prefix Maximums, Ones Guessing
December Cook-Off 2021 Division 1
Binary String Game, Destructive Nim, Ticket Machine, RGB Construction, Break the Balance
December Lunchtime 2021 Division 1
Optimal Sorting, Point constraints, Sleep Technique , Romantic Reversals, In-tree-active Node Coloring
January Cook-Off 2022 Division 1
Unreasonable Updates, Subsegment Divisibility , Merged LIS, Boring Trip, Prime Graph, Beautiful Permutation, Erase All But One
January Lunchtime 2022 Division 1
Circular Permutation Recovery, Permutation XOR Sum, Permutation Deletion
July Cook-Off 2022 Division 1 (Rated)
String Break, Partition Queries, Segmentation Fault, Subsequence LCM