Claire Zhang
- 6★czhang2718
- United States
- Student
- Montgomery Blair High School Silver Spring, Maryland, USA
- No Active Plan. View Details
Activity Heat Map
Rating Graph
Ratings System Update
(2023-09-27 22:00:00)Ratings System Update
(2022-12-20 00:00:00)Learning Paths (0)
Practice Paths (1)
Contests (28)
February Challenge 2021 Division 3
Frog Sort, Team Name, Another Tree with Number Theory, Chef and Meetings, Prime Game, Multiple Games, Maximise Function, Highest Divisor
March Challenge 2021 Division 2
Interesting XOR!, Dense Graph, College Life 4, Consecutive Adding, Paparazzi Gennady, Space Arrays, Maximum Topological Sort
June Lunchtime 2021 Division 2
From Rational to Binary, False Number, Unpleasant Ones, Tic Tac Toe
July Cook-Off 2021 Division 2
Beautiful Subsequence, XOR-ORED, Mod Equality
September Cook-Off 2021 Division 1
Chef and Pairwise Distances, Half Sequence, Fake Swaps
October Cook-Off 2021 Division 1
Can You Reach The End, Find the Modulus
November Cook-Off 2021 Division 1
Non-Decreasing Subsequence of size K, Product Pain, Guests like slippers
FizzBuzz Division 1 (Unrated)
Magical Planks, Clean The Sequence, Lucky Ali, Substring Minimum Function
November Lunchtime 2021 Division 1
Permutation Pairs, Subarray Jumps
December Cook-Off 2021 Division 1
Binary String Game, RGB Construction, Break the Balance
December Lunchtime 2021 Division 1
Romantic Reversals
January Cook-Off 2022 Division 1
Subsegment Divisibility , Merged LIS, Prime Graph, Erase All But One
January Lunchtime 2022 Division 1
Permutation XOR Sum
February Long 2022 - I, Division 1 (Unrated)
Digit Multiplication By K, Remove Adjacent
February Cook-Off 2022 Division 1
Xor Becoming Uncanny, Perfect Permutation, PerMEXuation , Mango Market, Slingshot
February Long 2022 - II, Division 1 (Unrated)
Bitwise swaps, Xor Palindrome
March Cook-Off 2022 Division 1
Secret Tree, Dragonado And XOR, Alternating Divisibility
March Lunchtime 2022 Division 1
Mathology, Winter, Adjacency Love, Separate Them All
April Lunchtime 2022 Division 1(Rated)
Modular Circular Permutations, Do Not Touch the MEX!!!, Secret Machine Mania
May Cook-Off 2022 Division 1 (Rated)
Split Powers Of 2, Different Subarrays Rearrange, Triple Inversions
May Lunchtime 2022 Division 1 (Rated)
Balanced 0-1 Tree, Equal After And, Rearrange Ranges
June Lunchtime 2022 Division 1 (Rated)
The Lost Array, Max Shift After XOR, XOR Times 2 Is Sum
June Long Two 2022 Division 1 (Unrated)
Gcd and Lcm , The Subarray XOR
July Lunchtime 2022 Division 1 (Rated)
Tree Interval Queries, Tree Retrieval, Binary String Happiness, Consecutive XOR, Largest Family
July Long Two 2022 Division 1 (Unrated)
Concat Sort
Starters 51 Division 1 (Unrated)
Copy and Paste, Different Medians
Starters 52 Division 1 (Unrated)
Minimum Sum, K-Flip, Gritty Grid, Flipping Failure, Nil Xor
August Lunchtime 2022 Division 1 (Rated)
Sort the Array, Tree Coloring, Subtract 12 Operation
Starters 53 Division 1 (Unrated)
Black&White Ring Game, Rocket Pack, Make A and B equal, Queen Blocks
Starters 54 Division 1 (Unrated)
Equal Distinct, Subarray Game, Departments (Hard Version), K Flip, Departments (Easy Version)
September Long 2022 Division 1 (Unrated)
Distinct Numbers
September Lunchtime 2022 Division 1 (Rated) (Based on EJOI)
Increasing Addition, Adjacent Pairs
Starters 62 Division 1 (Rated for 5 & 6 stars)
Get the Segment, Joint XOR, Disjoint XOR, Sorted Substrings, Make Multiple, Pythagorean Pair
Starters 71 Division 1 (Unrated)
Unique Mode
Starters 75 Division 1 (Rated till 6-Stars)
Chefs Favourite Function, Minimum Replacement, Equal Hamming Distance, Prefix Ones
Starters 83 Division 1 (Rated)
Construct String, Order by XOR, Rotate to Minimum
Starters 90 Division 1 (Rated till 6 Stars)
Crushed Apples and a Balance Scale, Sum of Goodness, Finding Sum, Printing Binary Array, Anti Palindrome
Starters 99 Division 1 (Rated till 6 Stars)
Segment Three, Maximize Ones, Musical Chairs, Two Piles, Yet Another Bitwise Problem, Exclusion-Inclusion
Starters 102 Division 1 (Rated till 6 Stars)
Chess ELO, Parity Permutation, Circular Trouble, Light The Bulb, Chef Segment, Bit Play