Tan Vu Van
- 6★rantd
- Japan
- Student
- The University of Tokyo
- No Active Plan. View Details
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Ratings System Update
(2018-08-16 23:30:00)Ratings System Update
(2022-12-20 00:00:00)Learning Paths (0)
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Practice Paths (0)
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Contests (70)
May Challenge 2013
Matchsticks, Witua and Math, Name Reduction, Your Name is Mine
June Challenge 2013
Little Elephant and Mouses, Collecting Magical Berries, Just Some Permutations 3, Dessert Wizard, Two k-Convex Polygons, Predictopus, To challenge or not, W String, Lapindromes
May Cook-off 2013
Subtraction Game 1
June Cook-Off 2013
Attic Crossing, Lyra and the Alethiometer
Lunch Time June 2013
Online Shopping, Number of Factors
July Challenge 2013
Galactik Football, The Probability Of Winning, Chef and Walking on the rectangle , Count K-Primes, Sereja and Sorting, Circle of death
July Cook-off 2013
Chopsticks
Lunch Time July 2013
Cooking dishes
August Challenge 2013
Little Elephant and Lemonade, Hello Hello, Save The Princess, The Number Of Solutions, Chef and Segments, Sereja and Ballons, Splitting Candies
August Cook-Off 2013
Chef and The Right Triangles
August Lunchtime 2013
Pairwise AND sum
September Challenge 2013
Little Elephant and Exams, Cool Guys, Chef and Integers , Project Spoon, CAO Stage-1, CAO Stage-2
September Lunchtime 2013
Chef and Gift
October Challenge 2013
Little Elephant and Bamboo, Helping Lira, Maxim and Dividers, Sereja and Transformation, Yet Another Nice Girl, Kamehameha
November Challenge 2013
Superpowers of 2, Yet Another Cute Girl, Sereja and Vectors, Uncle Johny, Square Digit Squares, Missing some chairs
December Challenge 2013
Chef and Codes, Funny Marbles, Magic Pairs, Reign, Rectangular Queries
January Challenge 2014
Magic Trick, Sereja and Graph, Meteor, Bon Appetit, Please like me, Chef and Feedback
February Cook-Off 2014
Chef and Remissness, Chef and Kingship, Chef and Reunion
November Cook-Off 2014
Lost Graph, Brackets, Petersen Graph
December Cook-Off 2014
Matrix Again, Good Joke!
February Challenge 2014
Little Elephant and Movies, Draughts, Make It Zero, Make Him Happy, Chef and Favourite Sequence, Longest Common Pattern, Little Elephant and Subarrays, Colored Array, Make It Zero 2
March Challenge 2014
Sereja and Sorting 2, Team Split, Binary Tournament, Walk, Maximum number, GCD condition, Little Chef and Numbers, Mike and Stamps, A Story with Strings
April Challenge 2014
Sereja and Permutation, Counting Matrices, Farmer Feb, Chef and Digits, Divide the Tangerine, Shortest Path in Binary Trees
May Challenge 2014
Little Elephant and Balloons, Compilers and Parsers, Chef-jumping, Chef and Strange Matrix, The Malaysian Flight Search, Stone
June Challenge 2014
Chef and Digit Jumps, Chef and Subarray, Guessing Game, Forgot Password
August Challenge 2014
Sereja and Shuffling, Little Elephant and T-Shirts, Chef and Reversing, The Leaking Robot, Cleaning Tables, Chef and Gift
September Challenge 2014
Factorisation, Chef and Rainbow Array - 2, Chef and Swaps, Chef and Left-Right, Chef and sequence, Fun with Rotation, Flooring
October Challenge 2014
Remy paints the fence, Sereja and two strings, Chef and Ground, Chef and Painting, Chef and Square, Magical Girl and Colored Liquid Potions, DevuLand, Dinosaurs and Laddus
November Challenge 2014
Chef and Segment Game, Chef and Words, Fombinatorial, Sereja and Permutations, Distinct Characters Subsequence, Chef and Red Black Tree, Let us construct palindrome, The Spelling Problem
December Challenge 2014
Chef Under Pressure, Alok-nath and His Sanskars, Chef and Bracket-Pairs, Divide or die, Kali and Devtas, XOR with Subset, Chef and Apple Trees, Sereja and GCD
January Lunchtime 2014
Chef and Shop, Chef and String, Chef and Way
February Lunchtime 2014
Sereja and ASum, Sereja and Arrays
September Lunchtime 2014
Chef and easy problem, Chef and easy problem 2, 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, Dividing the Students
January Challenge 2015
Queries on the String, Sereja and Number Division 2, Chef and A Large Permutation, Sereja and LCM, Chef and Stones, Sereja and Votes, One Dimensional Kingdoms, Xor Queries, Gcd Queries
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
April Challenge 2015
Count Sequences, Chef and Array, Chef and Interview, Broken Telephone, Inversion sorting, Division of Lands, Chef and Piano Scales
May Challenge 2015
Devu and his three Hands, Devu and binary String, Chef and Prime Divisors, Set Difference , Chef and new recipe, Chef and Cake
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
July Challenge 2015
Addition and Multiplication, Bread, MasterChef, Na2a and lucky stone, Chef and Cube
August Challenge 2015
Way Out, Social Cluster, Gravity Guy, Devu And Churu , Cooking Machine, Aditi and Magic Trick, Chef and insomnia, Chef and Path
October Challenge 2015
Time measure, Count Subarrays, Who dares to be a millionaire, Spheres, Cyclic shifts in permutation, Rupsa and Equilateral Triangle
November Challenge 2015
Ingredients, Receipt Recovery, Chef and collection of stamps, Eugene and function, Simple Sum, Chef and cakes
December Challenge 2015
Chef and the stones, Plane Division, Oracle Devu and Longest Common Subsequence, Chef and Filters
June Lunchtime 2015
Chef and Submatrix, Chef and Two Strings
July Lunchtime 2015
Greedy puppy, Puppy and GCD, Puppy and game, Puppy and cats
August Lunchtime 2015
Make Palindrome, Minimum Maximum
December Lunchtime 2015
Ancient Berland Roads, Distinct Codes
March Challenge 2016
Sereja and Two Strings 2, Palindromic substrings, maximize the sum, Parity tree, Chef And Special Dishes
August Challenge 2016
Chef and His Garden, Chef and Circle Run, Chef and Chocolate, Chef and Round Run
September Challenge 2016
Chef and Friends, Dividing Machine, Chef and Matrix Division, Chef and digits of a number, Faded Palindromes, JosephLand, Chef and calculation
December Challenge 2016
Train Partner, Kirito in labyrinth, Our Base is Under Attack
September Cook-Off 2016
Lazy Jem, The Lost Arithmetic Sequences, Counting Strings, Find The Point
September Lunchtime 2016
Chef and Inequality
September Challenge 2017
Sereja and Commands, Sereja and Functions (Challenge), Chef and Pick Digit, Minimum Good Permutation, Sum of Cubes, Weasel does Xor on Tree, Fill The Matrix, Little Chef and Sums
September Cook-Off 2017
Infinite OR Game, Statistics Construction, Subsequence Equality
March Challenge 2018 DIV 1
Pishty and Triangles, Chef and Easy Problem, Chef and Gcd Queries, Mix the Colors, Minions and Voting
May Cook-off 2018 Division 1
Difficult Choice, Best Cake Ever
June Cook-Off 2018 Division 1
Masha and Minions, Sonya and Segments, Good Permutations
March Lunchtime 2018 Division 1 (Unrated)
Partitions, Three Integers, Magic Elements
April Lunchtime 2018 Division 1
The hardest gcd problem, Triple-tree decomposition
May Lunchtime 2018 Division 1
Count Substrings, Shifted Palindrome, Weak in the Middle, Maximum Plus
April Challenge 2018 Division 1
Chef and Array (Challenge), Vaibhav and Ministers, Cutting Plants, Highway Crossing, Chef and Same Old Recurrence, Count Good Prefixes
May Challenge 2018 Division 1
S-T Mincut, Change the Signs, Fake Binary Search, Dibs on Fibs
June Challenge 2018 Division 1
Vision
July Challenge 2018 Division 1
Pizza Delivery, Reach Equilibrium, Chef and War with Taran (Challenge), Subway Ride, No Minimum No Maximum, Gears
August Challenge 2018 Division 1
Coordinate Compression , Modular GCD, Lonely Cycles
June Lunchtime 2018 Division 1
Sort the Leaves, Summary Power
July Lunchtime 2018 Division 1
Prime divisors
ProCon 2018 (Rated for all)
The Great Run, Kill them with your success, Awkward Pairs, Algebra Score, Good Speech