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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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Programming and DSA

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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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Practice Compete Compiler
Home » Yaowei Lyu
user profile

Yaowei Lyu

  • 7★heltion
  •   China
  • Student
  • Zhejiang University China
  • No Active Plan. View Details

Submissions Heat Map

Rating Graph

No. of Contests Participated: 28
2555 (+103)RatingProvisional
Rating i Provisional Rating, click to know more
Starters 97 Division 1 (Rated till 6 Stars)(2023-07-05 22:00:00)
Global Rank:   1
Cheated in:   

Ratings System Update

(2023-07-05 22:00:00)
This is the difference due to changing the rating system.This graph is not updated after 20th Dec 2022. Know more
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2147 (-59)RatingProvisional
Rating i Provisional Rating, click to know more
September Lunchtime 2022 Division 1 (Rated) (Based on EJOI)(2022-12-20 00:00:00)
Global Rank:   124
Cheated in:   

Ratings System Update

(2022-12-20 00:00:00)
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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

Total Problems Solved: 251

2555
(Div 1)
★★★★★★★
CodeChef Rating (Highest Rating 2555)
  • Inactive Global Rank
  • Inactive Country Rank

Badges

Contest Contender - Silver Badge

Contest Contender - Silver Badge

Received for participating in 25 Contests

Problem Solver - Silver Badge

Problem Solver - Silver Badge

Received for solving 250 Problems

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