zhouyuyang
- 7★zhouyuyang
- China
- Student
- Peking University
- List of teams by zhouyuyang
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Ratings System Update
(2020-10-12 15:00:00)Ratings System Update
(2022-12-20 00:00:00)Junior Rating Graph
Ratings System Update
(2020-07-13 15:00:00)Ratings System Update
(2022-12-20 00:00:00)CodeChef Rating Distribution
Submissions
Practice Problems (302):
Practice:
Highways, Swapping mismatches, Buggy algorithm, Johny the farmer, Traffic jam, Travelling Salesman Again !, Genetics, Tidying Posters, Adding Least Common Multiples, Baking Cupcakes, Product of Digits, Attack of the Clones, Minesweeper Reversed, Billboards, Trial of Doom, Sines Sum Queries, D-Power Permutations, Shortest Circuit Evaluation, Colored Domino Tilings and Cuts, The Great Plain, Counting Hexagons, Short, Misinterpretation 2, The Baking Business, Sine Partition Function, Across the River, Short II, Hypertrees, Card Shuffle, Find a Subsequence, Authentication Failed, Bears and Bees, Find a special connected block, Substrings on a Tree, Selling Tickets, Expected Maximum Matching, Little Elephant and Boxes, Cool Numbers, Maximum Sub-rectangle in Matrix, A Game of Thrones, Annual Parade, Martial Arts, Cucumber Boy and Cucumber Girl, Observing the Tree, Two k-Convex Polygons, To challenge or not, XOR Sum, Counting The Important Pairs, Prime Distance On Tree, Counting D-sets, Fibonacci Number, Petya and Sequence, Lucy and Question Marks, Query on a tree VI, Sereja and Permutation, SuperFunction, Count on a Treap, The Street , Chef and Graph Queries, Make It Zero 2, How many sequences, Sereja and Equality, Sereja and Arcs, Two Companies, Roots of a Tree, Brand New Game, Game of Numbers, Fibonacci Numbers on Tree, Rectangle Query, Children Trips, Count Digits, Union on Tree, Sereja and Order, Chef and Churu, Course Selection, Sereja and LCM, Special Shortest Walk, Xor Queries, Ranka, Random Number Generator, Anup at Amrithapuri, Devu and Locks, Counting on a Tree, Black-white Board Game, Euler Totient Function Extended, Devu, his sister and Rangoli, Easy exam, Gaming Inversion, Easy Queries, Misha and Gym, LCM equation, Decompose the Tree, Factorial to Square, Sereja and Permutations, Mario and Luigi, Tiptoe through the tulips, Evaluate the polynomial, Chef and Sad Pairs, Chef and Sort, Chef and Cut, Chef and Bike, Chef and Digits, Persistent oak, Sereja and BOX, Sereja and Increasing subsequence, Sereja and Inversions, Segment Queries, Sum of distances, Mixing flavors, Path Triples On Tree, Irrational Root, Long Sandwich , Stable market, Heavy-Light Decomposition, Bear and Row 01, Gotham PD, Chef and Subsequences, Chef and the Feast, Binary Tree, Game Revisited, Minimum of Degrees, Chang and Beautiful Sequences, Walks on the binary tree, Querying on a Grid, Flower Pots, Weasel finds Staircase, Tree Connectivity, Traffic in Chefland, Polynomials, Adjacent leaves, Chef, Leonardo And Queries, Simplify the Square Root, Killjee and k-th letter , Chef and Interval Painting, Chef Cuts Tree, Maximum Tree Path, Couples sit next to each other, Chef and Same Old Recurrence, Edges in Spanning Trees, Computer Virus, Hamel Paths, Darts, Picnic with Chef, Sum on Tree, Binary Board, Danya and Numbers, Batman and Tree, Picking Fruit for Chefs, Graph on a Table, Interactive Matrix, Chef and Lost Story, War of XORs, Chef and Equations, Count Subsequences, Digit Bounded Numbers, Maximize the NOSS, Find Best Path, Xor Decomposition, Yet Another Tree Problem, Families of Chefland, Treasure Hunt, Paths, Points and Convex Hulls, Edgy, Tree Flow, GCD Subsequences, Partition into Permutations, Doubly Increasing Path, Trees and Degrees, Guess My Age, Dream Problem, Chef and Elephant Tree, The Last Droid, Chef Rami and Inventions, Must Be Divisible, Fuzzy Conversions, Zawad and Index Sum, XOR Magic, Intervals and Intersections, Nice Subsets, The Secret Recipe, Beauty of Pairs, Beauty of Segments, Gii and His Club, Ivan Pesic and His World Tour, Minimum and Maximum, Magical Menu, Magic Permutations, Warriors, Rich Substrings, Friends and Candies, Two Circles, Equal Average, Destroy Cells, Chef Does Coke Yet Again, Save Jewels, Angry Grandfather, Palindromes Machine, Hiring Chefs, Fitness Exercises , Find the Sum, Minimum and Maximum, D-Function, Moonwalk, D-Value, Expected Number of Customers , Hidden Sequence, D-Or, The Challenge Day, Team Trees, Perfection, Servers, Xor It, Crash It, The Inexplicable Giant Floating Baby Head, Almost Palindromic, Maximum Subsequence Sum, Profitable Paths, Count It, Range AND, Chefina and Sums, Construct Array, CCDSAP Exam, Under the Tunnels, Folding Paper, XOR Game, Sweetest Candy , Chef and Pepperoni Pizza Again, Coronavirus, Painter Problem, Swapping to Palindrome, Monsters Battle, Secret Mission, Scinist Issue , Bhindi Master And Graph, Bhaang Level Bam Bam Bole, Kem Party, Mysterious Sequence, A Tree to Remember, Maximize Letter Beauty, Random Chocolates, Escape the Tree , Maximize LCM, Mysterious Ratio, Strip in a Tree!, Nested Rotation, Chef and Secret Recipe, Maximum GCD Subset, Tower Counting, The Gifting Problem, Simple Operations, Inversions in Permutations, Profitable Paths 2, Maximum AND, Dot Time, Xor Jar Muluk Tar, Triangle Query, Positive Mex, Chef, Chefina and Their Friendship, Chefland Squads and the Army Chief, Chefina on a Trip, Roads in Chefland, Curious Queries, GCD of the Submasks, Absolute Min Max, Escape One, Convert the String, Tree difference, Golomb Sequence, Per Capita Income, Carry Bed, Checkpoints, Banned Quotient, Drawing, Chef, Chefina and Restoration, Kuroni and the Cowsheds, Gold Mining, Square Submatrices, What Is This, a Crossover Episode, MEX-ception, The In-XOR-able Task, Even-tual Reduction, OR-thodox Distinction, Path-etic Products, I Hate Symbo-LIS-m, Chef and Modular Sequence, Coloured Pairings, Binary Concatenation , Pairs of Pairs, Game on a Strip, Quest for Dragon Balls, Red-blue Trees, Polygon Relationship, Chefina and Dishes, Beautiful Subsequence, Chefina and Swaps, Alien Invasion , Elevator, Permutation Split, Root the Tree, Robot Detector, Few Different Elements
Contests (165):
December Challenge 2018 Division 1:
Before Having Donuts, (Challenge) Delete DAG, Colorblind Feast, Max and Electrical Panel, Directing Edges, Edge Addition, Chef and Interactive XOR
November Challenge 2018 Division 2:
Chef and Ridges, Appy Loves One, Good Median, Chef, Primes and Trees (Challenge), Magician versus Chef 2, Binary Strings, Chef and Difficult Contests, Chef and Happiness
January Challenge 2019 Division 1:
Yet Another Problem About Sequences, Different Neighbours, Partition the Graph, Distinct Pairs, Maximum Distance, Party, (Challenge) Chef and Matching Game, A Pizza Slice
June Challenge 2019 Division 1:
Lent Money, Count Arrays, Chef and Ingredients, Chef and His Dish, Intersecting Paths, Sum and GCD, Forgotten Tree 9, (Challenge) SnackDown 99
July Challenge 2019 Division 1:
Hit the Coconuts, Snake and Apple Tree, Guess the Prime!, Codechef War, LOVEMUFFIN, Maximum and Minimum, Circular Merging, (Challenge) Codechef War II
August Challenge 2019 Division 1:
Guddu and his Mother, Encoding, Tree Sequences, Dilemma, Maximize an Expression, Chef and Gordon Ramsay, Complement Spanning Trees
September Challenge 2019 Division 1:
Biladerim Icin, Fuzzy Linear Combinations, Expected GCD, Doofish Set, Dodgers, Power Sum, Chef Designed a Network, (Challenge) Sebi and CPU Design
October Challenge 2019 Division 1:
Queries on Matrix, Even Edges, Bacterial Reproduction, Chef and Maximum Star Value, Fun with Lists, Array Modification, (Challenge) Maximizing LIS, Faulty System
November Challenge 2019 Division 1:
Smallest Beautiful Number, From Zero to Infinity, A Simple Game, Single Point of Failure, Winning Ways, Pretty Boxes
December Challenge 2019 Division 1:
Chefina and Ranges, Binary XOR, Binomial Fever, Scoring Pairs, Sticky Notes, Test Generation, (Challenge) Cubical Virus, Addition
January Challenge 2020 Division 1:
Chef and Dynamo, Doraemon, Doofish Matrix, Chefina and Prefix Suffix Sums, English, Army of Me, Chefland Army, (Challenge) Building Anthills
February Challenge 2020 Division 1:
Chef and Railway Stations, Expected Change, No Change Required, Balancing Network Revisited, Chef and Gordon Ramsay 2, (Challenge) Raisins, Long Contest and Cook Off Overlaps, Polygon Chain
March Challenge 2020 Division 1:
Chef and DAG, Break, Winning Ways 2, Lasers Everywhere, Inverse of a Function, Lasers Everywhere Alternative, (Challenge) 300 IQ Ants, Good Subsequences, Egg-free DAG
April Challenge 2020 Division 1:
Strange Number, Squared Subsequences, Perfect Power Divisors, Ready Bitwise, Factor Tree, A Leisurely Journey, Line Line Line Graph, Leaked Answers (Challenge)
May Challenge 2020 Division 1:
Buying a New String, Triple Sort, Binary Land, Sorting Vases, Not a Real World Problem, Chef and Rainbow Road, Chef and Bitwise Product, (Challenge) Nanobots, Precise Pairing, Precise Bipartite Pairing
June Challenge 2020 Division 1:
The Tom and Jerry Game!, Operations on a Tuple, The Delicious Cake, Convenient Airports, Guessing Game, Perfect Partitions, Covid Sampling (Challenge), Danya and Different Values
July Challenge 2020 Division 1:
LCM Constraints, Chefina and Swaps, Easy Geo xD, Chef and Dragon Dens, Missing a Point, Doctor Chef, Weird Product, Expected Repetitions, Expected Spanning Trees, (Challenge) Dynamic Hull
August Challenge 2020 Division 1:
Insanely Hard School Exams, Subsequence Frequency Counting, Precious Stones , Chefina and Strange Tree, Smallest KMP, Ants (Challenge) , Chef Thanos Wants Perfect Balance, Chef and Wedding Arrangements
September Challenge 2020 Division 1:
Chefina and Swap, Move the Coins 2, Chef and Trump Cards, Find XOR, Rotate the Polyline, Chef and Sums, Move the Coins - Creating Tests, Divide Candies, Ada Matrix
October Challenge 2020 Division 1:
Inversions, Positive AND, Random Knapsack, Rooted Minimum Spanning Tree, Replace for X, D-Dimensional MST, Compress all Subsegments, Adding Squares
Learning Paths (0):
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Practice Paths (0):
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