Ji Ruyi
- 7★jiry_2
- China
- Student
- Peking University
- List of teams by Ji Ruyi
- No Active Plan. View Details
Activity Heat Map
NewRating Graph
Ratings System Update
(2015-05-18 15:00:00)Ratings System Update
(2022-12-20 00:00:00)Junior Rating Graph
Ratings System Update
(2015-05-18 15:00:00)Ratings System Update
(2022-12-20 00:00:00)CodeChef Rating Distribution
Submissions
Practice Problems (82):
Practice:
Attack of the Clones, Billboards, Trial of Doom, Something About Divisors, Shortest Circuit Evaluation, Counting Hexagons, Short, Misinterpretation 2, The Baking Business, Sine Partition Function, Evil Book, Across the River, Short II, Hypertrees, Lucky Days, Dynamic GCD, Card Shuffle, Find a Subsequence, Ciel and Earthquake, Two Magicians, Substrings on a Tree, Selling Tickets, Little Elephant and Colored Coins, Expected Maximum Matching, Little Elephant and Boxes, Cool Numbers, Music & Lyrics, A Game of Thrones, Knight Moving, Room Corner, Max Circumference, Different Trips, Arithmetic Progressions, Cucumber Boy and Cucumber Girl, Observing the Tree, Queries on tree again!, String Query, Two k-Convex Polygons, Count Special Matrices, Counting The Important Pairs, Deleting numbers, Prime Distance On Tree, Gangsters of Treeland, Three-Degree-Bounded Maximum Cost Subtree, To Queue or not to Queue, Two Roads, Counting D-sets, Fibonacci Number, Queries With Points, Petya and Sequence, Query on a tree VI, Sereja and Permutation, Graph Challenge, Count on a Treap, The Street , Dynamic Trees and Queries, Chef and Graph Queries, Make It Zero 3, Sereja and Subsegment Increasings, Chef and Tree Game, Sereja and Equality, Sereja and Arcs, The Malaysian Flight Search, Two Companies, Team Sigma and Fibonacci, Game of Numbers, Divide or die, Children Trips, Union on Tree, Sereja and Order, Sereja and Permutations, Course Selection, Payton numbers, Xor Queries, Ranka, Random Number Generator, Counting on a Tree, Little Party, Chefbook, Easy exam, Future of draughts, Simple Queries
Contests (74):
April Challenge 2014:
Counting Matrices, Farmer Feb, Cards, bags and coins, Chef and Digits, Divide the Tangerine, Shortest Path in Binary Trees, Final Battle of Chef
May Challenge 2014:
Compilers and parsers, Stone, Chef and Strange Matrix, Chef-jumping, Little Elephant and Balloons
September Challenge 2014:
Chef and Left-Right, Flooring, Fun with Rotation, Rectangle Query, Fibonacci Numbers on Tree, Chef and sequence, Chef and Swaps, Chef and Rainbow Array - 2, Sereja and Bubble Sort, Factorisation
October Challenge 2014:
Remy paints the fence, Sereja and two strings, Chef and Ground, Chef and Square, Magical Girl and Colored Liquid Potions, DevuLand, Dinosaurs and Laddus
November Challenge 2014:
The Spelling Problem, Chef and Churu, Let us construct palindrome, Chef and Red Black Tree, Distinct Characters Subsequence, Sereja and Order, Sereja and Permutations, Chef and Segment Game, Fombinatorial, Chef and Words
February Challenge 2015:
Chef and Strings, Devu and Locks, Chef and Equality, Xor Matrix, Let us play with rank list, Chef and Strange Formula, Time to Study Graphs with Chef, Chef and Chain
March Challenge 2015:
Matrix, Sign Wave, Devu and his Class, Random Number Generator, Chef and Problems, Chef and Notebooks, Count Substrings, Sereja and Random Array
April Challenge 2015:
Black-white Board Game, Devus and their voting system, Chef and Piano Scales, Inversion sorting, Broken Telephone, Chef and Interview, Chef and Array, Count Sequences
May Challenge 2015:
Devu and his three Hands, Devu and binary String, Chef and Prime Divisors, Set Difference , Chef and new recipe, Chef and Balanced Strings, Chef and Cake, Counting on a directed graph, Special Economic Zone
Learning Paths (0):
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Practice Paths (0):
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Contributions
Problems Authored (0)
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Problems Tested (0)
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