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Home » Po-Hsiang Hao
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Po-Hsiang Hao

  • 6★johnathan79717
  •   United Kingdom
  • Professional
  • Facebook
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Submissions Heat Map

Rating Graph

No. of Contests Participated: 117
2222 (+56)RatingProvisional
Rating i Provisional Rating, click to know more
May Cook-Off 2021 Division 1(2021-05-24 00:00:00)
Global Rank:   17
Cheated in:   

Ratings System Update

(2021-05-24 00:00:00)
This is the difference due to changing the rating system.This graph is not updated after 20th Dec 2022. Know more
How the rating system works?
2222 (-116)RatingProvisional
Rating i Provisional Rating, click to know more
May Cook-Off 2021 Division 1(2022-12-20 00:00:00)
Global Rank:   17
Cheated in:   

Ratings System Update

(2022-12-20 00:00:00)
This is the difference due to changing the rating system.This graph is not updated after 20th Dec 2022. Know more
How the rating system works?

Learning Paths (0)

None

Practice Paths (0)

None

Contests (117)

June Challenge 2012

Closest Points, Polynomial Partition Function, Little Elephant and Product, Little Elephant and Candies, Doom Bakes Cakes, Arranging Cup-cakes

June Cook-Off 2012

Closing the Tweets, Connecting Soldiers

July Challenge 2012

Chef's Dream, My Fair Coins, The Gray-Similar Code, Little Elephant and Bubble Sort, Gift Rift, Restaurant Rating

August Challenge 2012

Little Elephant and Bombs, Lucky Driving, Range of Data, Delivery Boy

July Cook-Off 2012

Ciel and Receipt, Ciel and Tomya

April Challenge 2013

Little Elephant and Music, Barcelona Gameplay Tactics, ChefGame, Kingdom Unity, Maximum Weight Difference, Levy Conjecture

May Challenge 2013

Matchsticks, Witua and Math, Tree Counting, Juno Puzzle for May, Name Reduction, Your Name is Mine, Field Trip

June Challenge 2013

Dessert Wizard, Predictopus, W String, Lapindromes

May Cook-off 2013

Subtraction Game 1, Subtraction Game 2

July Challenge 2013

Chef and Walking on the rectangle , Count K-Primes

October Challenge 2013

Little Elephant and Bamboo, Helping Lira, Maxim and Dividers, Sereja and Transformation, Yet Another Nice Girl, Kamehameha

November Challenge 2013

Chef Game, Superpowers of 2, Yet Another Cute Girl, Sereja and Vectors, Uncle Johny, Square Digit Squares, Missing some chairs

November Cook-off 2013

Am I a Fibonacci Number, Number of Paths, Rank of the Number

December Challenge 2013

Lucy and the Flowers, Cube Cakes, Chef and Codes, Funny Marbles, Magic Pairs, Reign, Rectangular Queries, Query on a tree VI

December Cook-off 2013

Chef Goes Through Segments, Chef and Girlfriend, Chef and Combinatorics

December Lunchtime 2013

Mike and Task Packages, Mike and Matrices

January Challenge 2014

Magic Trick, Counting The Important Pairs, Sereja and Graph, Counting D-sets, ForbiddenSum, Meteor, Bon Appetit, Please like me, Chef and Feedback

January Cook-off 2014

Chef and the Cake I, Subtraction Game, Interrogating Gangsters

February Cook-Off 2014

Chef and Remissness, Chef and Kingship, Chef and Reunion

March Cook-Off 2014

Game of Divisors, ABC-Strings, Dividing Stamps

April Cook-Off 2014

Snape and Ladder, BiCo Gaming Grid

May Cook-Off 2014

Book Game with Chef, Divide the Cake, Ups and Downs

September Cook-Off 2014, ACM-ICPC Warm up

Sherlock and the Grid, Subarray GCD, Subarray LCM, World War 2

November Cook-Off 2014

Lost Graph, Most Distant Points, Brackets, Petersen Graph

February Challenge 2014

Little Elephant and Movies, Draughts, Make Him Happy, Chef and Favourite Sequence, Longest Common Pattern, Little Elephant and Subarrays, Colored Array

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

Counting Matrices, Farmer Feb, Cards, bags and coins, Chef and Digits, Divide the Tangerine, Shortest Path in Binary Trees

May Challenge 2014

Little Elephant and Balloons, Sereja and Game, Compilers and Parsers, Chef-jumping, Fun with AGp, Chef and Strange Matrix, 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

August Challenge 2014

Mountain Holidays 2, Little Elephant and T-Shirts, Chef and Reversing, The Leaking Robot, Earthquake, Cleaning Tables, Chef and Gift

September Challenge 2014

Chef and Rainbow Array - 2, 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, Distinct Characters Subsequence, Chef and Red Black Tree, Let us construct palindrome

December Challenge 2014

Chef Under Pressure, Alok-nath and His Sanskars, Chef and Bracket-Pairs, XOR with Subset, Chef and Apple Trees, Sereja and GCD

July Lunchtime 2014

And Operation, Shift The String, Lowest Common Ancestor, Simple Editor

October Lunchtime 2014

Tanu and Head-bob, And Tuples, Physics Class, Cascading Style Sheets

December Lunchtime 2014

Delivery Man, Sum Of Binomial Coefficent , Queries On Tree

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, Ranka, 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, Devu and his Class, Sign Wave, Matrix

April Challenge 2015

Count Sequences, Chef and Array, Chef and Interview, Broken Telephone, Inversion sorting, 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, Special Economic Zone

June Challenge 2015

Steady tables, Chef and His Friend, Chef and Memory Limit, Anticommutative implication, Chef and String

July Challenge 2015

Addition and Multiplication, Bread, MasterChef, Na2a and lucky stone, Chef and Cube, Rohith and Circles

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, 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

February Cook-Off 2015

Parenthesis with Maximum Sum Subarray, Fit Squares in Triangle, Strategy for the World Cup

June Cook-Off 2015

Ankit, Srijan and a game of stone piles, 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 XORed Number , Chef and the Wildcard Matching

September Mega Cook-Off 2015

Reign 2, Forgotten Language, Super Numbers, Stacks

October Cook-Off 2015

Word Stem, Almost Sorted Permutation

November Cook-Off 2015

Sereja and Line, Sereja and Array and Subtracting, Sereja and Pairs, Sereja and Tree 2

December Cook-Off 2015

Chef and Subarrays, Chef and Queries

February Lunchtime 2015

Lucky Four, Heavy-light Decompositions, The Warehouse

August Lunchtime 2015

Churu and lost string, Make Palindrome, Minimum Maximum

September Lunchtime 2015

Sum of palindromic numbers

November Lunchtime 2015

Query over Matrix, Black And White Cells

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

Chef and Strange Operations, Devu and a light discussion, Rectangles of Love, Chef-Detective

March Challenge 2016

Palindromic substrings, maximize the sum, 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, Chef and math, Chef and Balls, Forest Gathering, Chef and Big Soccer, Laddu

June Challenge 2016

Chef And The Hiring Event, Chef and Array and K, Chef And Binary Operation, Chef and Coins Game, 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 Chocolate

September Challenge 2016

Chef and Friends, Chef and digits of a number, Faded Palindromes, Chef and calculation

February Cook-Off 2016

Puppy and Catchers, Puppy and Board, Puppy and Sum

May Cook-Off 2016

Phantasialand

February Lunchtime 2016

Chef and Socks, Chef and Tic-Tac-Toe

March Lunchtime 2016

Simple Statistics

June Lunchtime 2016

Collisions, One more weird game, Square in numbers

July Lunchtime 2016

Drumpf for President!

August Lunchtime 2016

Studying Alphabet

May Challenge 2017

Chef and his daily routine, Courses in an university, Median of adjacent maximum numbers

March Challenge 2018 DIV 2

Pishty and Triangles, Chef and Easy Problem, A Big Sale, Mix the Colors, Chef and Glove, Minions and Voting, Minion Chef and Bananas

March Cook-off 2018 Division 1

Chef Goes to the Cinema, Chef Restores a Matrix

September Mega Cook-Off 2018 Division 1

OneTwo, Make a Permutation

March Lunchtime 2018 Division 1 (Unrated)

Partitions, Three Integers, Magic Elements

April Lunchtime 2018 Division 1

The hardest gcd problem, Triple-tree decomposition, Fast forward travelling

May Lunchtime 2018 Division 1

Shifted Palindrome, Maximum Plus

April Challenge 2018 Division 1

Cutting Plants, Highway Crossing, Chef and Same Old Recurrence, Count Good Prefixes, Chef and Same Old Recurrence 2

May Challenge 2018 Division 1

S-T Mincut, Change the Signs, Fake Binary Search, Dibs on Fibs

June Challenge 2018 Division 1

Vision

December Challenge 2018 Division 1

Max and Electrical Panel, Chef and Interactive XOR

November Challenge 2018 Division 1

Appy Loves One, Good Median, Magician versus Chef 2

October Challenge 2018 Division 1

Appy and Balloons , Beautiful Bricks, Minimize Digitsum, Chef and Surprise Chessboard

September Lunchtime 2018 Division 1

Opposite Cites, Chef Restaurant

February Challenge 2020 Division 1

Chef and Railway Stations, No Change Required, Long Contest and Cook Off Overlaps

May Challenge 2020 Division 1

Triple Sort, Chef and Bitwise Product

May Cook-Off 2020 Division 1

Chef, Chefina and Their Friendship, Roads in Chefland

June Challenge 2020 Division 1

The Tom and Jerry Game!, Operations on a Tuple

July Challenge 2020 Division 1

Chefina and Swaps, Missing a Point

August Challenge 2020 Division 1

Subsequence Frequency Counting, Smallest KMP, Chef and Wedding Arrangements

July Cook-Off 2020 Division 1

Even-tual Reduction, OR-thodox Distinction, Path-etic Products

July Lunchtime 2020 Division 1

Golomb Sequence, Binary Concatenation

August Cook-Off 2020 Division 1

Polygon Relationship

August Lunchtime 2020 Division 1

Game on a Strip

October Challenge 2020 Division 1

Positive AND, Replace for X

January Challenge 2021 Division 1

Chef and Ants, Expected Number of SCCs

December Challenge 2020 Division 1

Hail XOR, Positive Prefixes, Even Pair Sum

December Cook-Off 2020 Division 1

Self-Destructing Strings, Sed Passwords, Circle of Chaos, Carry All Fruits

January Cook-Off 2021 Division 1

Mex Subsequence, Prefix And

December Lunchtime 2020 Division 1 (Unrated)

K-Tuple Tree, Even Sequence, Three Letters, One Zero Swaps

January Lunchtime 2021 Division 1 (Unrated)

Good Grid, Shifting Spoons, Dreams of Divisibility, Even Sum

October Cook-Off 2020 Division 1

Path-etic Sums, The In-XOR-able Task, Yet Another Crossover Episode

September Lunchtime 2020 Division 1

Root the Tree, Robot Detector

February Challenge 2021 Division 1

Team Name, Another Tree with Number Theory, Prime Game, Multiple Games, XOR Sums, Bash Matrix, Cell Shell

March Cook-Off 2021 Division 1

Consecutive Deletions, Water Transfer, Sort String, Chef and Sorting

February Lunchtime 2021 Division 1

Average Sorting, Sed Max, Chef and Reordering, Independent Set

March Challenge 2021 Division 1

Consecutive Adding, Paparazzi Gennady, Space Arrays, Maximum Topological Sort

March Lunchtime 2021 Division 1

Node Codon, Uniform, Lunchtime, Gamer

April Challenge 2021 Division 1

Chef and Dice

April Cook-Off 2021 Division 1

Tree Distances, OR of ANDs

May Cook-Off 2021 Division 1

Permutation Swaps, Falling Zero, Double Burgers

Total Problems Solved: 519

2222
(Div 1)
★★★★★★
CodeChef Rating (Highest Rating 2436)
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  • Inactive Country Rank

Badges

Contest Contender -  Diamond Badge

Contest Contender - Diamond Badge

Received for participating in 100 Contests

Problem Solver - Gold Badge

Problem Solver - Gold Badge

Received for solving 500 Problems

Daily Streak - Bronze Badge

Daily Streak - Bronze Badge

Received for maintaining a streak of 5 days

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