Ji Ruyi
- 7★jiry_2
- China
- Student
- Peking University
- No Active Plan. View Details
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Ratings System Update
(2015-05-18 15:00:00)Ratings System Update
(2022-12-20 00:00:00)Learning Paths (0)
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Practice Paths (0)
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Contests (10)
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
April LunchTime 2014
Minimum Product, Knight Fork, Tracy and Charlie
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