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Programming and DSA

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Programming and DSA

Learn to think like a programmer. Develop your problem-solving skills with essential data structures and algorithms.

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From beginner to job-ready. Explore our curated career paths designed to help you succeed in the tech industry.

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Programming and DSA

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Catalogue

Programming and DSA

Learn to think like a programmer. Develop your problem-solving skills with essential data structures and algorithms.

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Practice Compete Compiler
Home » wwwwodddd
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wwwwodddd

  • 7★wwwwodddd
  •   China
  • Student
  • Tsinghua University
  • No Active Plan. View Details

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Rating Graph

No. of Contests Participated: 22
2537 (+91)RatingProvisional
Rating i Provisional Rating, click to know more
Starters 161 (Rated)(2024-11-20 22:30:00)
Global Rank:   7
Cheated in:   

Ratings System Update

(2024-11-20 22:30:00)
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2199 (-19)RatingProvisional
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May Cook-Off 2022 Division 1 (Rated)(2022-12-20 00:00:00)
Global Rank:   31
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
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Learning Paths (3)

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Learn Python Programming

10%
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Problem solving in Python

2%
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Learn C++

10%

Practice Paths (17)

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Binary Search

6%
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Practice R Programming

6%
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Practice Java

33%
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Heaps

5%
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Practice PHP

5%
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Practice C++

22%
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Practice Python

35%
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500 difficulty rating

5%
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Arrays, Strings & Sorting

40%
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2D Array / Matrices

39%
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Projects using HTML / CSS

6%
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Practice JavaScript

20%
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Number theory

38%
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Python Interview Questions

67%
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Practice C

26%
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Practice Basic Math

43%
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Practice for ZCO and INOI

1%

Contests (22)

September Challenge 2012

Kisses & Hugs, Chef World, Racing Horses, Queries About Numbers, ChefTown Parade, Three is Crowd

October Challenge 2012

Little Elephant and Order, Fierce Battles, Event Organizer, The New Scheme, Need More Diamonds

October Cook-Off 2012

Buying Sweets, Equalization, Tennis Tournament

November Challenge 2012

Lucky Balance, A Wonderful Chocolate, Delicious Dishes, Candy Collecting Game, Coin Flip, Jam Board, Sridhar Likes Travelling

December Challenge 2012

Granama Recipes, Magic Rankings, Pizza Delivery

February 2013 Challenge

Little Elephant and Cards, Buy1-Get1, Climbing Stairs

August Challenge 2013

Little Elephant and Lemonade, Music & Lyrics, Hello Hello, Save The Princess, The Number Of Solutions, Chef and Segments, Sereja and Ballons, Deleting numbers, Prime Distance On Tree, Splitting Candies

January Long Challenge 2016

Dai Ma Chu Shi

February Challenge 2016

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

September Challenge 2016

Chef and Friends, Dividing Machine, Chef and Matrix Division, Chef and digits of a number, Faded Palindromes, JosephLand, Chef and calculation

April Cook-Off 2016

Movie Weekend, Odd Divisors, Queries on a Binary Tree

June Challenge 2017

Chef and Prime Queries, A Good Set, Chef and the Feast, Xenny and Coin Rankings, Triplets, Pairwise union of sets

November Challenge 2017

Chef Hates Palindromes, Chef goes Left Right Left, Periodic Palindrome Construction, Villages and Tribes

November Cook-Off 2017

Hasan and boring classes, Skiing, Online Chess, Random Pair

October Lunchtime 2017

Buggy Calculator, Maximum Number

February Lunchtime 2020 Division 1

At the Gates, Swapping to Palindrome, Not All Flavours, Monsters Battle, Secret Mission

July Cook-Off 2021 Division 1

Mod Equality

April Long Two 2022 Division 1 (Unrated)

Geometric Mean Inequality, Sasta Shark Tank, Antipodal Points, Akash and Equal Mean, Flip to Invert, Chef And Division, Six Friends, Best Coupon, Pseudo Sorted Array

May Cook-Off 2022 Division 1 (Rated)

Split Powers Of 2, Different Subarrays Rearrange, Triple Inversions

Starters 37 Division 1 (Unrated)

Prefix XORs

May Long One 2022 Division 1 (Unrated)

Mystical Numbers, Pushpa , The Magical Stone, Alternating Diameter, Four Arrays, Sugarcane Juice Business, The Attack of Queen, Football Cup, Miami GP

Starters 42 Division 1 (Unrated)

Sorting Array, Maximise Set Bits , Minimum or Maximum, Divisible by 3, How Many Maximums, Age Limit, Equal Distribution, Minimum number of Flips

June Long One 2022 Division 1 (Unrated)

Full Path Eraser, Expected move, Reduce to zero, Add By Permutation, Chairs Requirement, Subscriptions, Divisible by i , Possible GCD, Alternate Additions, Equal Strings

July Long Two 2022 Division 1 (Unrated)

Sum of Product 2

September Long 2022 Division 1 (Unrated)

Speed Limit Test, Bob at the Bank, Chef and Wire Frames, Interesting Subarray, Good Pairs

Starters 154 (Rated till 6 stars)

Min Max Paths, Tree Cut Xor, Count Winning Subarrays, GCD and XOR, Triangle Count (Hard), Triangle Count (Easy), Add 1 or 2 Game, Calorie Limit, Coldplay Tickets

Starters 155 (Rated till 5 stars)

Numismatics, Chef and Parole, GCD to 1 (Easy), GCD to 1 (Hard), Replace With First, Replace With First Literally, Prefix Suffix Min Max, Array Concatanation, Rectangled

Starters 156 (Rated till 6 stars)

Count Triplets, Keep Magnets Separated, Expected Value Problem, Balance Difficulties, Interval Cliques, Partition Score, Sweets Shop, Long Queue, Even Numbers Hate

Starters 158 (Rated till 6 stars)

Make a Tree, Index Compression (Easy Version), Index Compression (Hard Version), Global Warming, Largest Subsequence, XOR Smaller, Buying Game, Multiply 2 to Minimize, Diwali Discount, Even vs Odd Divisors

Starters 159 (Rated till 5 stars)

Crafty Coloring (Hard), Crafty Coloring (Easy), Icecream and Cone, Glass Bridge (Hard), Super Hero, Random Nim, Glass Bridge (Easy), Chess Colouring, Elections, Card Game

Starters 160 (Rated till 5 stars)

Too Many Oranges, Movie Snacks, Palindrome Love, Modindrome, Unstable Elections, Buying Order (Easy), Buying Order (Hard), Equate S and T

Starters 161 (Rated)

Min-Max Game, Temporary Temperature, Red-Blue Sort, Moneymaking, The XOR Machine, Selling Donuts, One To Three, Two Cards, Quick Exit

Starters 162 (Rated till 5 stars)

Empty the String, Adjacent Sum Array, MEX of XOR, Sum of Empty the String, Permutation Mod K, Calorie Intake, Assignment Score, And Sort

Starters 163 (Rated till 5 stars)

Tree Sum is Fun !, Nice Array, Permutation Pair, Chef and Socks, Binary Sum, Minimum Types, Sort Them, Lexio Swap

Starters 164 (Rated till 5 stars)

New-Pro Coder, Itz Simple, Karthikeya Numbers, Fill the Blanks, Halloween Array, Construct Permutation, Swap and Flip, Connecting Wells

Starters 176 (Rated till 4 star)

Same And, Friendly Binary Strings, Mex-P Tree (Hard), Clothing Store, Run for Fun, Costly Summit, Mex-P Tree (Easy)

Total Problems Solved: 1472

Contributions

Problems Authored (7)
Contest Problem
JAN16 DMCS
COOK70 P1Z2S
EURO
EZNO
TANDEM
MAZE
NOV16 BIKE
Problems Tested (5)
Contest Problem
COOK91 CCOOK
CTHREE
CSUBSEQ
CARRAY
CTREE
Editorials Contributed (0)

No Contribution

2537
(Div 1)
★★★★★★★
CodeChef Rating (Highest Rating 2537)
  • 79 Global Rank
  • 11 Country Rank

Skill tests

97%

C++ Skill test

Attempted on October 2024
View skill tests

Badges

Problem Solver - Diamond Badge

Problem Solver - Diamond Badge

Received for solving 1000 Problems

Contest Contender - Bronze Badge

Contest Contender - Bronze Badge

Received for participating in 5 Contests

Daily Streak - Bronze Badge

Daily Streak - Bronze Badge

Received for maintaining a streak of 5 days

Recent Activity

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