Yaowei Lyu
- 7★heltion
- China
- Student
- Zhejiang University China
- No Active Plan. View Details
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Ratings System Update
(2023-07-05 22:00:00)Ratings System Update
(2022-12-20 00:00:00)Learning Paths (0)
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Practice Paths (0)
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Contests (28)
May Challenge 2019 Division 2
(Challenge) Chef Exchange, Ada Rooks 2, Binary Movements, Matches, Trees and Degrees, Reduce to One, Where to Build the Roads, Sonya and Gifts, Ada Pawns
May Lunchtime 2019 Division 2 (Unrated)
Dummy Palindromic Strings, Grid Tour, Reverse Maximisation, CV, XOR Magic, Abdullah and Toll Discounts
June Challenge 2019 Division 2
Road Signs, Chef and Proxy, Lent Money, Guddu on a Date, Chef and Ingredients, Intersecting Paths, Sum and GCD, (Challenge) SnackDown 99
August Challenge 2019 Division 1
Guddu and his Mother, Encoding, Dilemma, Maximize an Expression, Chef and Gordon Ramsay
September Challenge 2019 Division 1
Chef and Good Subsequences, Easy Fibonacci, Biladerim Icin, Fuzzy Linear Combinations, Expected GCD, Doofish Set, Dodgers, Power Sum, Chef Designed a Network, Chef and Interesting Subsequences , (Challenge) Sebi and CPU Design
September Lunchtime 2019 Division 1
All Substrings, Ice Cream Queue, Treeversion, Find the Sum
October Challenge 2019 Division 1
Even Edges, Bacterial Reproduction, Chef and Maximum Star Value, Array Modification
November Challenge 2019 Division 1
Physical Exercise, Smallest Beautiful Number, From Zero to Infinity, A Simple Game, Single Point of Failure, Winning Ways
December Challenge 2019 Division 1
Chefina and Ranges, Binary XOR, Binomial Fever, Scoring Pairs, Sticky Notes, (Challenge) Cubical Virus, Addition
February Challenge 2020 Division 1
Chef and Railway Stations, Expected Change, No Change Required, Long Contest and Cook Off Overlaps
March Challenge 2020 Division 1
Chef and DAG, Winning Ways 2, Lasers Everywhere, Inverse of a Function, Lasers Everywhere Alternative
April Challenge 2020 Division 1
Strange Number, Squared Subsequences, Ready Bitwise
July Challenge 2020 Division 1
Chefina and Swaps, Chef and Dragon Dens, Missing a Point, Doctor Chef
August Challenge 2020 Division 1
Subsequence Frequency Counting, Smallest KMP, Chef and Wedding Arrangements
September Challenge 2020 Division 1
Chefina and Swap, Chef and Trump Cards, Find XOR, Ada Matrix
October Challenge 2020 Division 1
Positive AND, Replace for X, D-Dimensional MST, Compress all Subsegments, Adding Squares
November Challenge 2020 Division 1
Restore Sequence
January Challenge 2021 Division 1
Cool Subsets, Chef and Ants, Guess the Tiling, Expected Number of SCCs, Blackjack, And-Or Game
December Challenge 2020 Division 1
Hail XOR, Square Root of LCA Convolution, Calculus, Permutations, String Operations, Positive Prefixes, Even Pair Sum
February Challenge 2021 Division 1
Team Name, Prime Game
March Challenge 2021 Division 1
Space Arrays, Maximum Topological Sort
SnackDown 2021 - Online Qualifiers
Lucky Number, Maximum Number Of Distinct Elements, Minimise Difference
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, Good ranking, Product Pain, Guests like slippers, Mega mu - 1, Mega mu - 2
SnackDown 2021 - Online Elimination Round (Rated for all)
One Change Subsequences, Random Convex Hull, Graduate Work Matters, Sorting Segments
September Lunchtime 2022 Division 1 (Rated) (Based on EJOI)
Increasing Addition
Starters 86 Division 1 (Rated for All)
Least Size, Minimum Operation, Sum Over All Arrays, String Game , Largest Y
Starters 93 Division 1 (Rated for All)
Thank U, Next, Why Try, Positions, NASA, Greedy, Bloodline, Motive
Starters 94 Division 1 (Rated till 5 Stars)
Strange Sort, Place The Number, Possible or Not, Search for 404, Special Operation, The Vowel Matrix, Rank Queries
Starters 95 Division 1 (Rated till 6 Stars)
Chef and Moves of GCD, Partition and Maximize, Boxes, Transfusion Chain, Break This Array
Starters 97 Division 1 (Rated till 6 Stars)
Make It Special, Caesar Cipher, Unreachability Cost, Schrodinger Smiley, Chef and Division, No Palindrome, Disappearing Domino Game, Triplets Min, 2000, Best of Two
Starters 101 Division 1 (Unrated)
Minimize Xor Difference, Split and ADD, Snakes on a Grid, Partially Increasing Array Queries, Warrior Chef
Starters 102 Division 1 (Rated till 6 Stars)
Chess ELO, Parity Permutation, Circular Trouble, Light The Bulb, Chef Segment, Bit Play
Starters 111 Division 1 (Rated till 6 Stars)
LCM Mania, Prefixing, Prime Range Game, Beautiful Strings, ODI Cricket, Component Count, Square Count
Starters 112 Divison 1 (Rated till 6 Stars)
Cursed Indices, 3 Logicians Walk into a Bar, Yet Another Array Game, Subtree Coloring, Permutation Construction
Starters 117 Division 1 (Rated till 5-Stars)
Equality Etiquette, Spread Spree, Stingy Arrays, Go Away, Goose!, Not Prime Permutation, Roads and Flights
Starters 118 Division 1 (Rated till 5-Stars)
Count Substrings, Join States, Is it uniquely decodable, Xorry 2, Xorry 1
Starters 120 Division 1 (Rated till 6 Stars)
Find Permutation , Minimum Operations, Construct Permutation, Trees Are Fun, Count Subarrays, Count Arrays
Starters 121 Division 1 (Rated till 6-Stars)
Frequal, Colourful Balls, Split And Maximize, Escape, Caesar Cipher Lite, Magic Palindrome
Starters 122 Division 1 (Rated till 6-Stars)
Arya In Grid, Transformation Cost, Matrix Modulo, Cursed, Elf on the Shelf, Falling Domino
Starters 123 Division 1 (Rated till 6-Stars)
Minimum And Maximum I, Making Stars, Yet Another Alice Bob Game, Trial of the Conqueror, Minimum And Maximum II, XOR Partition Sort
Starters 124 Division 1 (Rated till 5-Stars)
Swap and Unite, Make It One, How many arrays, It is a tree, Random Coloring
Starters 125 Division 1 (Rated till 6-Stars)
Bucket Game, Lazy Rescue, Manhattan Xor, Operating on A, Binary Minimal
Starters 126 Division 1 (Rated till 6 Stars)
Remove the Peaks, Tree Distance Set, Freedom, Uncommon Cycles, LCD, Triangular Swaps
Starters 129 Division 1 (Rated till 5-Stars)
Palindromic Substrings