Huang I-Wen
- 7★dreamoon4
Taiwan- Professional
- AACP SCHOOL
- No Active Plan. View Details
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(2025-04-09 22:30:00)Ratings System Update
(2022-12-20 00:00:00)Learning Paths (0)
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Practice Paths (0)
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Contests (120)
March Cook-Off 2014
Game of Divisors, ABC-Strings, XOR Minimization, 3-Palindromes, Dividing Stamps
April Cook-Off 2014
Snape and Ladder, BiCo Gaming Grid, Travelling Chef Problem, Distant Relatives
May Cook-Off 2014
Substrings and Repetitions, Book Game with Chef, Divide the Cake, Ups and Downs
July Cook-Off 2014
Copy-Paste, Sum Queries, Tree Again, Friends
August Cook-Off 2014
Tree Game, Permutation Shuffle, Shooting
September Cook-Off 2014, ACM-ICPC Warm up
Sherlock and the Grid, Subarray GCD, Subarray LCM, World War 2, Updating Edges on Trees
October Cook-Off 2014
The Dirty Path, The Army, Walk on the Axis, Mahesh and his lost array
November Cook-Off 2014
Covering Sets, Lost Graph, Most Distant Points, Brackets, Petersen Graph
December Cook-Off 2014
Servers, Jam, Matrix Again, Player, Good Joke!
March Challenge 2014
Sereja and Sorting 2, Team Split, Binary Tournament, Walk, Maximum number, GCD condition, The Street , Little Chef and Numbers, Mike and Stamps, A Story with Strings, Chef and Graph Queries
April Challenge 2014
Final Battle of Chef, Sereja and Permutation, Counting Matrices, Farmer Feb, Cards, bags and coins, Chef and Digits, Divide the Tangerine, Chef and Tree Game, Shortest Path in Binary Trees
May Challenge 2014
Little Elephant and Balloons, Sereja and Game, Compilers and Parsers, Dynamic Trees and Queries, Chef-jumping, Fun with AGp, Sereja and Subsegment Increasings, Chef and Strange Matrix, The Malaysian Flight Search, Stone
June Challenge 2014
Little Elephant and Blocks, Maxim and Progressions, Chef and Functions, Chef and Digit Jumps, Chef and Subarray, Two Companies, Guessing Game, Forgot Password
July Challenge 2014
Little Elephant and Painting, Garden Game, Chef and Frogs, Sereja and Equality, Chef and Rectangle Genome, Count Substrings, Reach The Point, Dish Owner, Lucky Game, Game of Numbers
September Challenge 2014
Sereja and Bubble Sort, Chef and Rainbow Array - 2, Chef and Swaps, Chef and Left-Right, Chef and sequence, Rectangle Query, Fun with Rotation, Flooring
October Challenge 2014
Remy paints the fence, Sereja and two strings, Chef and Ground, Chef and Square, Children Trips, Magical Girl and Colored Liquid Potions, DevuLand, Dinosaurs and Laddus
November Challenge 2014
Chef and Segment Game, Chef and Words, Fombinatorial, Sereja and Order, Sereja and Permutations, Distinct Characters Subsequence, Chef and Red Black Tree, Let us construct palindrome, Chef and Churu, The Spelling Problem
December Challenge 2014
Chef Under Pressure, Alok-nath and His Sanskars, Chef and Bracket-Pairs, XOR with Subset, Course Selection, Chef and Apple Trees, Sereja and GCD, Good galaxy
April LunchTime 2014
Minimum Product, Minion Circle, Knight Fork, Tracy and Charlie
September Lunchtime 2014
Chef and easy problem, Chef and easy problem 2, Chef and medium problem , Chef and medium problem 2
October Lunchtime 2014
Tanu and Head-bob, And Tuples, Physics Class, Cascading Style Sheets
November Lunchtime 2014
A wolf, a sheep and cabbage, Deja Vu, Yet another substring problem, Dividing the Students
February Challenge 2015
Chef and Chain, Time to Study Graphs with Chef, Chef and Strange Formula, Chef and Strings, Let us play with rank list, Chef and Equality
March Challenge 2015
Count Substrings, Chef and Notebooks, Chef and Problems, Sereja and Random Array, Devu and his Class, Sign Wave, Matrix, Counting on a Tree
April Challenge 2015
Count Sequences, Chef and Array, Chef and Interview, Broken Telephone, Inversion sorting, Chef and Piano Scales, Devus and their voting system
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, Special Economic Zone
June Challenge 2015
Sereja and Matrix Division, Steady tables, Chef and His Friend, Chef and Memory Limit, Chef and Polygons, Another Fibonacci, Anticommutative implication, Chef and String, Chefbook, Connect Points
July Challenge 2015
Addition and Multiplication, Maximum Difference Walk, Sereja and Game 2, Bread, MasterChef, Na2a and lucky stone, Chef and Cube, Rohith and Circles, Easy exam
August Challenge 2015
Way Out, Gravity Guy, Devu And Churu , Cooking Machine, Aditi and Magic Trick, Chef and insomnia, Chef and Path
September Challenge 2015
Filling the maze, 3D Queries, Chain of Doughnuts, Nikitosh and xor, Count Steps in Matrix, Terrible vectors, Bank robbery, Lighthouses, Cracking the Code, Chef and Chetris
October Challenge 2015
Time measure, Count Subarrays, Who dares to be a millionaire, Spheres, Cyclic shifts in permutation, Rupsa and Equilateral Triangle, LCM equation
December Challenge 2015
Sereja and Dividing, Chef and cinema, Chef and the stones, Plane Division, Oracle Devu and Longest Common Subsequence, Misha and Permutation, Chef and Filters, Chef and Girls
April Cook-Off 2015
Lucky Fives, Equality, Version Control System
May Cook-Off 2015
Devu, his friends and birthday gifts, Devu and friendship testing, Devu and decorating birthday cake, Devu and most energetic minion
June Cook-Off 2015
Ankit, Srijan and a game of stone piles, Bored of Nim, VS and his marking scheme, Longest non regular parentheses sub-sequence, Strange operations
July Cook-Off 2015
Cops and the Thief Devu, Maximize Disjoint Pair Sum, Path containing K Nodes, Adding Special Sum
August Cook-Off 2015
Chef and the Cards, Chef and the XORed Number , Chef and the Number Sequence, Chef and the Wildcard Matching
September Mega Cook-Off 2015
Reign 2, Counting Subgraphs, Forgotten Language, Super Numbers, Stacks
February Lunchtime 2015
Lucky Four, Heavy-light Decompositions, The Warehouse
February Challenge 2016
Sereja and Two Lines, Chef and Strange Operations, Devu and a light discussion, Rectangles of Love, Chef-Detective, Matrix Maximum Sum, Call Center Schedule
March Challenge 2016
Sereja and Two Strings 2, Palindromic substrings, Floor Distribution, maximize the sum, Parity tree, Chef And Special Dishes
April Challenge 2016
Amazing Experiment, Mario and Luigi, Help Watson Escape, Fibonacci Queries, Chef and Big Matrix, Chef and Ballons, Devu and good strings, Chef And Magical Path, Chef And Coloring, Game of snakes on a grid
May Challenge 2016
Sereja and GCD 2, Easy Queries, Chef and math, Chef and Balls, Forest Gathering, Chef and Amazingness of Numbers, Chef and Big Soccer, Laddu
June Challenge 2016
Chef And The Hiring Event, Chef and Rectangle Array, Chef and Array and K, Chef And Binary Operation, Chef and Coins Game, Chef and cities, Devu and an Array
July Challenge 2016
Andrash and Stipendium, Chef and Segments, Chef and Tetris, Chef and special numbers, Evaluate the polynomial, Chef and Robots Competition, Chefland and Electricity, Chef and Polyhedron, Defend the Recipe, Scheduling jobs on a cluster
August Challenge 2016
Chef and His Garden, Fighting Ebola, Chef and Circle Run, Chef and Chocolate, Chef and Round Run, Funny gnomes, Maximum Grid, Chef and Guard Towers, A Good Problem
October Challenge 2016
Sereja and Stones, Chef and Keyboard, Fenwick Iterations, Chef and Three Dogs, Chef and Two String, Bear and Shuffled Points
November Challenge 2016
Count Permutations, Friends Meeting, Urban Development, Gift and Chef, Chef and squares, Task for Alexey
July Cook-Off 2016
Chef and Proportion, Chef and Numbers, Chef and Land, Chef and Array, Chef and Sort
September Cook-Off 2016
Lazy Jem, The Lost Arithmetic Sequences, Counting Strings, Shortest path queries, Find The Point
October Cook-Off 2016
Sherlock and the Ugly Flower, Watson asks Does Permutation Exist, Sherlock Counts Ways, ChefWatson uses Social Network
November Cook-Off 2016
Sebi and the equation 2, Sebi and the cube, Sebi and the black money, Sebi and the corrupt goverment
February Lunchtime 2016
Chef and Socks, Chef and Tic-Tac-Toe, Chef and Dominating Subarrays
March Lunchtime 2016
Two Closest, Arrays Sum, Simple Statistics, ABABAABA
April Lunchtime 2016
Maximum K Sums, Tree Coloring, Coins And Triangle
July Lunchtime 2016
Will and Closed Set, Drumpf for President!, Lumpy - The Bus Driver, So Close Yet So Far
August Lunchtime 2016
Studying Alphabet
January Cook-Off 2017
Digit Longest Increasing Subsequences, Matrix Transformation, Digit Longest Increasing Subsequences 2
June Challenge 2017
Chef and Prime Queries, A Good Set, Chef and the Feast, Xenny and Coin Rankings, Triplets, Pairwise union of sets
August Long Challenge 2017
Chef and Rainbow Array, Chef And Fibonacci Array, Chef and Mover, Hill Jumping, Palindromic Game, Mathison and the Data Warehouse (Challenge), Greedy Candidates, Strings and Graphs, Flower Pots
September Challenge 2017
Sereja and Commands, Sereja and Functions (Challenge), Chef and Pick Digit, Minimum Good Permutation, Sum of Cubes, Querying on a Grid, Weasel does Xor on Tree, Weasel finds Staircase, Fill The Matrix, Little Chef and Sums
May Cook-Off 2017
La Liga, Balanced Array, Hussain Set, Nasty Queries
June Cook-Off 2017
Ada and crayons, Knight Covering, A Study in Bake Street, SnackUp, Centeroid
July Cook-Off 2017
Chang and Bitwise OR, Chang and the Perfect Function, Chang and Perfect Quadruples, Chang and Beautiful Sequences, Bipartite Graph from Trees
October Cook-Off 2017
Chef and Counting Test, Chef and Employment Test, Chef and Weird Queries, Chef and Dancing Steps, Chef and Math Test
December Cook-Off 2017
Minimum SubArray, Beautiful Array, Football Match
June Lunchtime 2017
Maximum Unique Segment, Two Numbers, Company and Club Hierarchies
July Lunchtime 2017
Find the Maximum Value, Good Pairs, Travel to all Points, Divide the Set
September Lunchtime 2017
Chef and Dice, Chef and Cook-Off Contests, Chef and Programming Contest by His Friend
February Cook-Off 2018
Chef and Cook-Off, Chef and Tuples, Chef and Chefness, Chef and Line
March Cook-off 2018 Division 1
Maximum Tree Path, Chef Goes to the Cinema, Chef Restores an Array, Chef Chooses a Subset, Chef Restores a Matrix
April Cook-off 2018 Division 1
Run Direction, Binary Nim, Chef Goro
July Cook-Off 2018 Division 1
Sticks, OR Matrix, Chef and GCD Game
August Challenge 2018 Division 1
Coordinate Compression , Modular GCD
September Challenge 2018 Division 1
Bad Shuffle
December Challenge 2018 Division 1
Directing Edges, Edge Addition, Chef and Interactive XOR, Chef and Interactive Contests
October Challenge 2018 Division 1
Appy and Balloons , Beautiful Bricks, Minimize Digitsum, Chef and Surprise Chessboard, Coprime Components
August Lunchtime 2018 Division 1
Chef and Eid, Mix Mix Game
Insomnia 2018 (Rated)
Correct Bracket Sequence, So Straight, Count Nodes, Split Sums, A Game of Game, DP Made Easy, Strange Swaps, Function Function
January Challenge 2019 Division 1
Yet Another Problem About Sequences, Different Neighbours, Partition the Graph, Distinct Pairs, Party, A Pizza Slice
Plinth-Enigma'19 LNMIIT Techfest - (Rated for all)
XOR! Wait for it, Return of the Gargoyle King, Ross goes for Shopping, Summation over nCr
February Challenge 2019 Division 1
Manhattan Rectangle, Chef and Secret Ingredients, Xor Decomposition, Art of Balance
February Cook-Off 2019 Division 1
Max Range Queries, Chef and Secret Password, Chef and Party
March Challenge 2019 Division 1
Yet Again a Subarray Problem
April Challenge 2019 Division 1
Offer for Chef, Kira Loves Palindromes, Playing with Numbers, Subtree Removal
April Lunchtime 2019 Division 1
Dream Problem, Firdavs and Planet F, Minimum Sum, Chef Rami and Inventions
May Challenge 2019 Division 1
Ada Rooks 2, Trees and Degrees, Where to Build the Roads, Ada Pawns
June Challenge 2019 Division 1
Lent Money, Count Arrays, Chef and Ingredients, Sum and GCD
June Cook-Off 2019 Division 1
The Secret Recipe
September Challenge 2019 Division 1
Chef Designed a Network
October Challenge 2019 Division 2
Even Edges, Missing Number, Chef and Maximum Star Value, Array Modification, Operations on a Matrix, Phone Prices
November Challenge 2019 Division 1
From Zero to Infinity, A Simple Game
December Challenge 2019 Division 2
Chefina and Ranges, Plus Multiply, Binary XOR, Easy Subsequence Selection, Sticky Notes, That Is My Score!, Addition
December Cook-Off 2019 Division 1
Xor It
Alkhwarizm (Rated for all)
Arya and the Grid of Stars, Weirwood Trees, Danny Wants To Know
January Challenge 2020 Division 1
Chef and Dynamo, Doraemon, Doofish Matrix, Chefina and Prefix Suffix Sums, English, Chefland Army
February Challenge 2020 Division 1
No Change Required
March Challenge 2020 Division 1
Chef and DAG, Lasers Everywhere
April Challenge 2020 Division 1
Strange Number, Squared Subsequences
February Cook-Off 2020 Division 1
Must Be Divisible, Maximum Subsequence Sum, XOR Game, Sweetest Candy , Chef and Pepperoni Pizza Again
May Lunchtime 2020 Division 1
Convert the String
June Challenge 2020 Division 1
The Tom and Jerry Game!
September Challenge 2020 Division 1
Chefina and Swap, Chef and Trump Cards, Find XOR, Ada Matrix
July Lunchtime 2020 Division 1
Profitable Paths 2, Golomb Sequence, Binary Concatenation , Pairs of Pairs
June Lunchtime 2020 Division 2
Maximum AND, Chef and Demonetisation, Increasing Decreasing, Gold Mining, Square Submatrices
November Lunchtime 2020 Division 1
Gasoline, Fractions, Circle Coloring
September Lunchtime 2020 Division 1
Permutation Split, Root the Tree, Robot Detector
February Challenge 2021 Division 1
Team Name, Prime Game, XOR Sums
March Challenge 2021 Division 1
Consecutive Adding, Paparazzi Gennady, Space Arrays
March Lunchtime 2021 Division 1
Node Codon, Uniform, Lunchtime, Gamer
April Cook-Off 2021 Division 1
Array and Operations, Tree Distances, OR of ANDs, Valet Parking, Deletion Sort
June Cook-Off 2021 Division 1
Binary String on Steroids, Battle Royale
June Lunchtime 2021 Division 1
Richie Rich
July Cook-Off 2021 Division 1
Beautiful Subsequence, Mod Equality, Hidden Colored Graph
September Cook-Off 2021 Division 1
Chess Kings Chasing Game, Chef and Pairwise Distances, Half Sequence, Fake Swaps
SnackDown 2021 - Online Qualifiers
Prefix as a Substring 2, Lucky Number, Maximum Number Of Distinct Elements, Minimise Difference
SnackDown 2021 - Online Round 1A
Yet Another Flipping Problem, 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
SnackDown 2021 - Online Elimination Round (Rated for all)
One Change Subsequences, Random Convex Hull, Graduate Work Matters, Sorting Segments
SnackDown 2021 - Final Round
Ones Guessing, Equal Number of Prefix Maximums, AND of Maximums
February Lunchtime 2022 Division 1
Permutation Xor, Chef Cooks Permutation, Visit Them All, Magical Modulo, Magnet Sort
CodeChef Starters 28 Division 1 (Unrated)
Broken Dreams
May Cook-Off 2022 Division 1 (Rated)
Max Min Circle Difference, Different Subarrays Rearrange, Triple Inversions
May Lunchtime 2022 Division 1 (Rated)
Balanced 0-1 Tree, Equal After And, Rearrange Ranges
Starters 181 (Rated for all)
The Best Matrix, Tree Colouring (Hard), Flip Prefix