Wiwit Rifa'i
- 7★iafir
Indonesia- Professional
- No Active Plan. View Details
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Ratings System Update
(2020-08-24 00:15:00)Ratings System Update
(2022-12-20 00:00:00)Learning Paths (0)
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Practice Paths (0)
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Contests (97)
December Challenge 2013
Magic Pairs
January Challenge 2014
Bon Appetit, Please like me, Chef and Feedback
January Cook-off 2014
Chef and the Cake I
February Cook-Off 2014
Chef and Remissness, Chef and Kingship, Chef and Reunion
March Cook-Off 2014
Dividing Stamps
May Cook-Off 2014
Divide the Cake, Ups and Downs
February Challenge 2014
Make Him Happy, Longest Common Pattern, Little Elephant and Subarrays
March Challenge 2014
Team Split, Binary Tournament, Walk, Little Chef and Numbers, Mike and Stamps
April Challenge 2014
Counting Matrices, Farmer Feb, Chef and Digits, Divide the Tangerine, Shortest Path in Binary Trees
May Challenge 2014
Compilers and Parsers, Chef-jumping, Chef and Strange Matrix, Stone
June Challenge 2014
Chef and Subarray, Guessing Game
July Challenge 2014
Chef and Frogs, Count Substrings, Reach The Point, Dish Owner
September Challenge 2014
Chef and Rainbow Array - 2, Chef and Left-Right, Chef and sequence, Fun with Rotation
October Challenge 2014
Remy paints the fence, Chef and Ground, Magical Girl and Colored Liquid Potions, DevuLand, Dinosaurs and Laddus
September Lunchtime 2014
Chef and easy problem
January Challenge 2015
Queries on the String, Chef and A Large Permutation, Chef and Stones, Sereja and Votes, One Dimensional Kingdoms, Gcd Queries
May Challenge 2015
Devu and binary String, Chef and Prime Divisors, Set Difference , Chef and new recipe, Chef and Cake
June Challenge 2015
Steady tables, Chef and His Friend, Chef and Memory Limit, Chef and Polygons, Anticommutative implication, Chef and String
July Challenge 2015
Addition and Multiplication, Sereja and Game 2, Bread, MasterChef, Na2a and lucky stone, Chef and Cube
August Challenge 2015
Way Out, Gravity Guy, Devu And Churu , Cooking Machine, Aditi and Magic Trick, Chef and insomnia
September Challenge 2015
Chain of Doughnuts, Nikitosh and xor, Count Steps in Matrix, Bank robbery, Lighthouses, Cracking the Code
October Challenge 2015
Time measure, Count Subarrays, Who dares to be a millionaire, Spheres, Rupsa and Equilateral Triangle
November Challenge 2015
Ingredients, Receipt Recovery, Chef and collection of stamps, Eugene and function, Simple Sum, Chef and cakes
June Lunchtime 2015
Chef and Submatrix, Chef and Two Strings, Chef and Sets
July Lunchtime 2015
Greedy puppy, Puppy and game, Puppy and cats
January Long Challenge 2016
Sereja and Salesman, Chef and Inflation, Rupsa and the Game, Churu and Balls, Cyclist Race, Chef and Time Machine, Devu and Perfume
February Challenge 2016
Sereja and Two Lines, Chef and Strange Operations, Devu and a light discussion, Rectangles of Love, Chef-Detective, Matrix Maximum Sum
March Challenge 2016
Sereja and Two Strings 2, Palindromic substrings, maximize the sum, Parity tree, Chef And Special Dishes
April Challenge 2016
Help Watson Escape, Fibonacci Queries, Chef and Ballons, Chef And Magical Path, Chef And Coloring
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 Robots Competition, Chefland and Electricity
August Challenge 2016
Chef and His Garden, Fighting Ebola, Chef and Circle Run, Chef and Chocolate, Chef and Round Run, Funny gnomes, Maximum Grid, A Good Problem
September Challenge 2016
Chef and Friends, Dividing Machine, Chef and digits of a number, Faded Palindromes, JosephLand, Chef and calculation
October Challenge 2016
Chef and Keyboard, Big Queries, 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, Kirito in Memeland, Chef and squares, Task for Alexey
December Challenge 2016
Train Partner, Kirito in labyrinth, Roses for Alexey, Our Base is Under Attack
May Cook-Off 2016
Phantasialand
June Cook-Off 2016
Sticks, Right Triangle
October Cook-Off 2016
Sherlock and the Ugly Flower, Watson asks Does Permutation Exist, ChefWatson uses Social Network, Sherlock and Smallest Window
November Cook-Off 2016
Sebi and the cube, Sebi and the highway, Sebi and the corrupt goverment
February Lunchtime 2016
Chef and Socks, Chef and Tic-Tac-Toe, Chef and Polygons
April Lunchtime 2016
Maximum K Sums, Coins And Triangle
May Lunchtime 2016
Akhil Recovers The Lost Array, Akhil And Colored Balls, Akhil And Pending Homework, Akhil And Random String
June Lunchtime 2016
Collisions, One more weird game, Square in numbers
September Lunchtime 2016
Chef and Inequality
November Lunchtime 2016
Chef and his Students, Chef and Square Set, Tom & Jerry
December Lunchtime 2016
Superheroes and villains, Fly height mode, MST Queries
January Challenge 2017
Capital Movement, Cats and Dogs, Chef and Circle, Digits Cannot Separate, Reservior, Tourists in Mancunia
February Challenge 2017
Chef and Yoda, Eugene and big number, Primitive Queries, Interval Game, Sereja and Inversions, Chef and Triangles, Chef and his Best Friend, Chef and His Apartment Dues, Most Frequent Element, Gerrymander
March Challenge 2017
Cooking Schedule, Completing favorite game, Xenny and Alternating Tasks, Pishty and birthday, Bear and Extra Number, Bandwidth of a matrix
January Cook-Off 2017
Digit Longest Increasing Subsequences, Matrix Transformation, Digit Longest Increasing Subsequences 2
February Cook-Off 2017
Download file, Chairs, Cooking Game
January Lunchtime 2017
Sealing up, Nothing in Common
April Challenge 2017
Bear and Random Grid, Chef and Divisor Tree, Stable market, Dish Of Life, Bear and Row 01, Bear and Clique Distances, Similar Dishes
May Challenge 2017
Chef and Sub Array , Long Sandwich , Gotham PD, Chef and his daily routine, Courses in an university, Blocked websites, Median of adjacent maximum numbers, Chef and Subsequences
June Challenge 2017
Chef and Prime Queries, Euler Sum, A Good Set, Cloning, Chef and the Feast, Xenny and Coin Rankings, Triplets, Pairwise union of sets
July Challenge 2017
Chef and Sign Sequences, Pishty and tree, Whats in the Name, Calculator , IPC Trainers
September Challenge 2017
Sereja and Commands, Chef and Pick Digit, Minimum Good Permutation, Sum of Cubes, Weasel does Xor on Tree, Weasel finds Staircase, Fill The Matrix, Little Chef and Sums
October Challenge 2017
Chef and Magic Arrays, Chef and a great voluntary Program, Chef and Cycled Cycles, Shooting on the array, Max Mex, Counter Test For CHEFSUM, A Balanced Contest
November Challenge 2017
Villages and Tribes
December Challenge 2017
Chef and Universe, Total Diamonds, Chef And his Cake, Chef, Leonardo And Queries, Chef And Easy Xor Queries, Penalty Shoot-out, Red and blue points, Chef and Hamming Distance of arrays
March Cook-Off 2017
Rainbow Graph, Yet Another Card Game, Increasing Xor Sequence, Safe Robot
April Cook-Off 2017
Bear and Shop Trip, Bear and Candies 123, Bear and AB
May Cook-Off 2017
La Liga, Balanced Array, Hussain Set, Nasty Queries
June Cook-Off 2017
Ada and crayons, Knight Covering, SnackUp, Centeroid
July Cook-Off 2017
Chang and Bitwise OR, Chang and the Perfect Function, Chang and Perfect Quadruples
August Cook-Off 2017
Game on Stick, Matrix and Chef, Real obtuse, From heaven to earth
November Cook-Off 2017
Hasan and boring classes, Skiing, Online Chess, Random Pair
March Lunchtime 2017
Bear and Haircut, Bear and Ladder, Bear and Species
April Lunchtime 2017
Bear and Digit Virus, Bear and Segments, Bear and Segment 01
May Lunchtime 2017
Post Tree
Alkhwarizm 2017 (Rated)
Logan and his XOR debacle, X-24 and his SUBSET code, Logan and his STRING dilemma, Charles and the BRUTAL subsequences, Professor X and Grouping of Numbers, Logan and DIGIT IMMUNE numbers
IOPC 2017 (Rated)
The Birthday Tears, Game Of Life, Max Out, Christmas Time, Solve the Assignment
January Challenge 2018
Killing Monsters, A humongous Query, Killjee and k-th letter , K-Concatenation, Maximum Score, Rectangle, String Merging, Partition the numbers
January Cook-Off 2018
Multiple of 3, Make array great again, Finding the matrix, Survive in ChocoLand
February Challenge 2018
Broken Clock, Lucas Theorem, Chef And Land Labeling, Chef And His Characters, Chef And The Patents, Akanksha and End of Semester, Chef and odd queries, Points Inside A Polygon, Car-pal Tunnel, (Challenge) Biased Committee, Permutation and Palindrome
March Challenge 2018 DIV 1
Pishty and Triangles, Chef and Interval Painting, Chef and Easy Problem, Chef and Gcd Queries, Mix the Colors, Minions and Voting
March Cook-off 2018 Division 1
Chef Goes to the Cinema, Chef Restores an Array, Chef Restores a Matrix
July Cook-Off 2018 Division 1
Sticks, OR Matrix, Finding Second Maximum, Chef and GCD Game
April Lunchtime 2018 Division 1
The hardest gcd problem, Triple-tree decomposition, Solve what you want, Fast forward travelling
May Challenge 2018 Division 1
S-T Mincut, Change the Signs, Edges in Spanning Trees, Fake Binary Search, Dibs on Fibs
July Challenge 2018 Division 1
Pizza Delivery, Reach Equilibrium, No Minimum No Maximum, Gears
August Challenge 2018 Division 1
Coordinate Compression , Modular GCD, Princess and Dragons, Chef in a Mysterious Land (Challenge), Safe Partition, Interactive Matrix, Chef at the River, Lonely Cycles
July Lunchtime 2018 Division 1
Forced Particles, GCD Sum, Prime divisors
ALKHWARIZM (Rated)
Harry in the Chamber of Secrets, Help Voldemort, Hedwig The Smart Bird, Room Of Requirement, Harry Potter and the Goblet of Fire, Harry Potter and the Deathly Hallows - 2, Wingardium Leviosa, Sam, The Charming Angel
Insomnia 2018 (Rated)
Correct Bracket Sequence, Count Nodes, Split Sums, A Game of Game, DP Made Easy, Strange Swaps, Function Function
Code Melange (Rated)
XD Subsequences, CPI Crisis, Longest Constrained Subsequence, The Deadly Sin, Candy Love
January Challenge 2019 Division 1
Yet Another Problem About Sequences, Different Neighbours, Partition the Graph, Distinct Pairs, Party, A Pizza Slice
February Challenge 2019 Division 1
Manhattan Rectangle, Guess It Right, Chef and Secret Ingredients, Xor Decomposition, Yet Another Tree Problem, (Challenge) Chef with Orchestra in the Kitchen, Art of Balance, Maximize the Tax
February Cook-Off 2019 Division 1
Max Range Queries, Chef and Secret Password, The Most Amazing Dish, Chef in Evil Land, Chef and Party
March Challenge 2019 Division 1
Chef and Soccer, Cheating on Queue, Yet Again a Subarray Problem, Matchable Permutations
March Cook-Off 2019 Division 1
XOR N-bonacci Sequence, Points and Convex Hulls, Markers and Caps, Music Shopping
September Mega Cook-Off 2019 Division 1
Angry Grandfather, Palindromes Machine, Hiring Chefs, Fitness Exercises
Code Melange (Rated for all)
Misplaced Signs, Optimal Splitting, Greg and Grid, A Small Array, Go Round, Some Impact, Longest Xommon Subsequence, Subset Numbering, Max power
May Cook-Off 2020 Division 1
Chef, Chefina and Their Friendship, Chefina on a Trip, Roads in Chefland
July Cook-Off 2020 Division 1
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
August Cook-Off 2020 Division 1
Red-blue Trees, Polygon Relationship, Chefina and Dishes, Beautiful Subsequence
June Cook-Off 2020 Division 1
Per Capita Income, Carry Bed, Checkpoints, Banned Quotient, Drawing
SnackDown 2021 - Online Qualifiers
Prefix as a Substring 2, Lucky Number, Maximum Number Of Distinct Elements, Minimise Difference
SnackDown 2021 - Online Round 1A
Round Robin Ranks , Dance Moves, Equal Beauty, Min Max LCM