Trung Nguyen
- 7★chemthan
- Crazy
- Vietnam
- Other
- List of teams by Trung Nguyen
- https://discuss.codechef.com/u/chemthan
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(2022-01-29 23:00:00)Ratings System Update
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Submissions
Practice Problems (123):
Practice:
Recover Polynomials, Sereja and Dividing, Query on a tree VI, 4G Towers, Queries On Tree, A game on a graph, Chefs and Voting for best friend, Devu and his mouse Jerry, Palindromic Queries, Chef and Trees, Puppy and GCD, Puppy and game, Chef and Path, Puppy and cats, Coffee Breaks, Pattern matching, Computer Network, Chef And Palindromes, Chef and Maximum Sum Matrices , Peaks, Mario and Luigi, Table Covering, Taxi Fare, Lopymonials, Buying a car, Defense System, Chef and Polygons, Chef and Dominating Subarrays, Touya Akira vs Shindou Hikaru, Two Closest, Arrays Sum, ABABAABA, Asya & Coloring, Total Palindromic Numbers, Super Strings, War for Britannia, Century Coder, Eerie Strings, Peter and Bracket Matching, Messed Binary, Optimum Selection, SumBits, Trip To Thailand, Power Sums, Multiverse, Justice League Assemble, Maximum K Sums, Bombs On Roads, Lexcorp Interns, LCP Maximization, Bit Twister on a Tree, Chef and Amazingness of Numbers, Tree Coloring, Tree Labelling, Misha and Geometry, Euro, Tandem, Maze, Cutting Cake, Right-hand Rule, Cube Towers, Jealous Numbers, Chef Land, Range Minimum Queries , Coloring A Tree, Defend the Recipe, Chef and Land, Chef and Array, Chef and Sort, Sebi and the equation 2, Mock Turtle, Will and Closed Set, So Close Yet So Far, Xor Grid, Hikaru, Touya and Waya, Tree Palindromes, Bob and Numbers, Nami to the rescue, Sherlock Counts Ways, Luther and Brackets, Luther and Employees, Minimize Magic, The Counties, Playing World War II, Optimal use of Nuclear Power plant , Optimal BST Revisited, MST Queries, Improve the Permutation, Segment Queries, Unusual game, Irrational Root, Bear and Bribing Tree, Bear and Oveflow Points, Chef and Kites, Meeting location, Saboteur (Challenge), Closest points queries, Chef and Battleship, Binary Tree, Post Tree, SubInversing, Teleports, A Study in Bake Street, Company Club Membership, Mathison and the cubic tree, Weird Competition, Mixing Colors, Optimal Subset, Traffic in Chefland, Strange Queries, Far Graphs, Danya and Numbers, Ada Farm, Strange Transform, Recover Square, Tree Query, Chef and Modular Sequence, Beautiful Permutation, The Lost Array, Max Shift After XOR, XOR Times 2 Is Sum, Minimum Xor On Segment, XOR, The Detective
Contests (371):
August Challenge 2015:
Way Out, Gravity Guy, Devu And Churu , Cooking Machine, Aditi and Magic Trick, Chef and insomnia
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, Trip and Palindromes, Tanks
January Long Challenge 2016:
Sereja and Salesman, Chef and Inflation, Rupsa and the Game, Churu and Balls, Chef and Making Triples, Asteroids, Cyclist Race, Dai Ma Chu Shi, Chef and Time Machine, Devu and Perfume
February Challenge 2016:
Chef and Job and Rest, Sereja and Two Lines, Chef and Strange Operations, Devu and a light discussion, Weird Sum, Rectangles of Love, Chef-Detective, Matrix Maximum Sum, Sereja and Permutations, Call Center Schedule
March Challenge 2016:
Sereja and Two Strings 2, Polygon & Circles, Chef And Hungry Birds, Palindromic substrings, Floor Distribution, Chef and Number Guessing, maximize the sum, Parity tree, Chef And Special Dishes, Tiptoe through the tulips
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, Optimal Shopping II, Chef and Big Soccer, Laddu, Roads in Stars
June Challenge 2016:
Chef And The Hiring Event, Chef and Rectangle Array, Chef and New Game, Chef and Array and K, Chef And Binary Operation, Chef and Coins Game, Chef and cities, Misha and Geometry, Devu and an Array, Chef and Sad Pairs
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, Chef and Tree, A Good Problem
September Challenge 2016:
Chef and Friends, Dividing Machine, Chef and Matrix Division, Chef and digits of a number, Faded Palindromes, The New Restaurant, JosephLand, Chef and calculation, Chef and Cut
October Challenge 2016:
Sereja and Progressions, Sereja and Stones, Chef and Keyboard, Big Queries, Fenwick Iterations, Chef and Three Dogs, Power Sums, Chef and Two String, Tree Balancing, Bear and Shuffled Points
November Challenge 2016:
Count Permutations, Friends Meeting, Urban Development, Gift and Chef, Kirito in Memeland, Chef and squares, Chef and Bike, Sereja and Permutations 3, Sereja and Ways in the Cube, Task for Alexey
October Cook-Off 2016:
Sherlock and the Ugly Flower, Watson asks Does Permutation Exist, Sherlock Counts Ways, ChefWatson uses Social Network, Sherlock and Smallest Window
November Cook-Off 2016:
Sebi and the cube, Sebi and the highway, Sebi and the black money, Sebi and the corrupt goverment
November Lunchtime 2016:
Chef and his Students, Chef and Square Set, Chef and Balanced Polygons, Tom & Jerry
January Challenge 2017:
Capital Movement, Cats and Dogs, Sereja and Circles, Sereja and BOX, Coprime 6-tuples, Chef and Circle, Fantastic Four, Digits Cannot Separate, Reservior, Tourists in Mancunia
February Challenge 2017:
Chef and Yoda, Primitive Queries, Interval Game, Sereja and Inversions, Rebel rescue, Chef and Triangles, Chef and His Apartment Dues, Most Frequent Element, Gerrymander, Alice and her garden
March Challenge 2017:
Cooking Schedule, Completing favorite game, Sum of distances, Path Triples On Tree, Xenny and Alternating Tasks, Pishty and birthday, Bear and Extra Number, Bear and Cat Trap, (CH) Bear and Sorted Rows, 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, To add or to multiply game, Mixing flavors, Chairs, Cooking Game
April Challenge 2017:
Chef and Digits, (CH) Serejs and Billiards, Bear and Random Grid, Chef and Divisor Tree, Stable market, Heavy-Light Decomposition, 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, Chef and Battleship, Painting Tree
June Challenge 2017:
Persistent oak, Chef and Prime Queries, Saboteur (Challenge), Euler Sum, A Good Set, Cloning, Chef and the Feast, Xenny and Coin Rankings, Triplets, Pairwise union of sets
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
October Challenge 2017:
Chef and Magic Arrays, Chef and a great voluntary Program, Chef and Cycled Cycles, Shooting on the array, Max Mex, Chef and Horcrux, Counter Test For CHEFSUM, A Balanced Contest, (Challenge) Connecting computers, Lucky Edge
December Challenge 2017:
Chef and Direction, 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, Meeting location, Yet Another Card Game, Increasing Xor Sequence, Safe Robot
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
August Cook-Off 2017:
Tree Connectivity, Game on Stick, Matrix and Chef, Real obtuse, From heaven to earth
September Cook-Off 2017:
Numbers Game, Infinite OR Game, Statistics Construction, Subsequence Equality
April Lunchtime 2017:
Bear and Digit Virus, Bear and Segments, Closest points queries, Bear and Segment 01
September Lunchtime 2017:
Chef and Dice, Chef and Cook-Off Contests, Chef and Programming Contest by His Friend
January Cook-Off 2018:
Multiple of 3, Make array great again, Finding the matrix, Survive in ChocoLand
January Lunchtime 2018:
Chef and Game with Sequence, Chef and Average on a Tree, Chef and Function, Chef and Escaping from the Labyrinth
February Cook-Off 2018:
Chef and Cook-Off, Chef and Tuples, Chef and Chefness, Chef and Line, Chef and Chefcoin
March Challenge 2018 DIV 1:
Pishty and Triangles, Chef and Interval Painting, Chef Cuts Tree, Chef and Easy Problem, Chef and Gcd Queries, Mix the Colors, Minions and Voting, Embedding a Tree (Challenge)
July Cook-Off 2020 Division 1:
The In-XOR-able Task, Even-tual Reduction, OR-thodox Distinction, Path-etic Products, Chef and Modular Sequence
November Lunchtime 2021 Division 1:
Min-Fund Country, Min-Max Rotations, Permutation Pairs, Subarray Jumps
January Cook-Off 2022 Division 1:
Subsegment Divisibility , Merged LIS, Boring Trip, Prime Graph, Erase All But One
Learning Paths (0):
None
Practice Paths (1):
Contributions
Problems Authored (22)
Problems Tested (0)
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Editorials Contributed (0)
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