Hirotaka Isa
- 7★akatorihasi180
- a.k.a HIR180 / Fuyuko Mayuzumi Fan Club / Kaede Takagaki Fan Club
- Japan
- I wish I were a bird
- Student
- The University of Tokyo
- List of teams by Hirotaka Isa
- No Active Plan. View Details
Activity Heat Map
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Ratings System Update
(2022-07-03 22:30:00)Ratings System Update
(2022-12-20 00:00:00)Junior Rating Graph
Ratings System Update
(2015-02-22 14:00:00)Ratings System Update
(2022-12-20 00:00:00)CodeChef Rating Distribution
Submissions
Practice Problems (12):
Practice:
Life, the Universe, and Everything, Robot Walk, VCake, Coloring A Tree, Xor Counting, Strange Queries, Counting manuls, Scrupulous Robbery Plan, Binary String Game, Permutation Segments, Increase to Zero, Subsequence LCM
Contests (78):
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
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
Learning Paths (0):
None
Practice Paths (0):
None
Contributions
Problems Authored (0)
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Problems Tested (0)
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Editorials Contributed (0)
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