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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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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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Practice Compete Compiler
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MuSong An

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Rating Graph

No. of Contests Participated: 10
2629 (-38)RatingProvisional
Rating i Provisional Rating, click to know more
November Lunchtime 2021 Division 1(2021-11-27 22:30:00)
Global Rank:   48
Cheated in:   

Ratings System Update

(2021-11-27 22:30:00)
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?
2629 (+165)RatingProvisional
Rating i Provisional Rating, click to know more
November Lunchtime 2021 Division 1(2022-12-20 00:00:00)
Global Rank:   48
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)

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Practice Paths (0)

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Contests (10)

October Challenge 2020 Division 2

Positive AND, Replace for X, Compress all Subsegments, Adding Squares, Covid Run, Chef and Easy Queries

November Challenge 2020 Division 1

Panic! at the Disco, Chef and the Combination Lock, Connect on a Grid (Challenge), Restore Sequence, Magical Candy Store, Selecting Edges, Red-Black Boolean Expression, Scalar Product Tree, Unusual Queries

December Challenge 2020 Division 1

Hail XOR, Square Root of LCA Convolution, Calculus, Linear Combination, Permutations, Digit Matrix, String Operations, Palindromic Equivalence, Positive Prefixes, Even Pair Sum

October Cook-Off 2020 Division 2

Split the Str Ing, Decreasing Srrnmieeda, Path-etic Sums, The In-XOR-able Task, Yet Another Crossover Episode

October Lunchtime 2020 Division 1

Chef Likes Good Sequences, Chef Is Just Throwing Random Words, Counting Spaghetti, Cute Chef Gift

November Lunchtime 2020 Division 1

Gasoline, Rook Path, Fractions, Circle Eating

April Challenge 2021 Division 1

Binary String MEX, Tree Permutations, Worthy Matrix, Destroy the EMP Chip, Chef and Pair Flips, Water Sort Puzzle (Challenge), String Power, Chef and Dice, Brahma and Shiva, Boolean Game

May Challenge 2021 Division 1 (Unrated)

Valid Paths, Tree House, An Interesting Sequence, King Killing, Xor Equality, Tic Tac Toe, Modular Equation

July Challenge 2021 Division 1 (Unrated)

XxOoRr, Chef vs Bharat, Even Odd Partition, Optimal Denomination, Chef and Pairs, Madoka and Ladder Decomposition, Dakimakura Distribition, K Path Query

August Challenge 2021 Division 1 (Unrated)

Special Triplets, Array Filling, Geometry 1, Chef and Bulb Invention, Alternating LG Queries, Charge Scheduling, Chef and Digits of Large Numbers, Fat Hut, Problem Difficulties, Olympics Ranking

August Cook-Off 2021 Division 1

Odd Array, Different String, Chef 2 Chef, Interactive Equivalency, Clear the Array

September Challenge 2021 Division 1 (Unrated)

XOR Equal, Shuffling Parities, Minimize Digit Sum, Treasure Hunt, 2-D Point Meeting, Airline Restrictions, Travel Pass, Covaxin vs Covishield, Minimum Digit Sum 2

October Challenge 2021 Division 1 (Unrated)

Chef at the Olympics, Longest AND Subarray, Digit Removal, MEX-OR, Yet another MEX problem, Characteristic Polynomial Verification, Hidden Points

November Challenge 2021 Division 1 (Unrated)

Flip or Compress, Functional Array, Wildcard Replacement, Xor Equation, Weird Palindrome Making, Hill Sequence, Maximise the bridges, Convex Hulk

November Cook-Off 2021 Division 1

Non-Decreasing Subsequence of size K, Good ranking, Product Pain, Guests like slippers

C.O.D.E.R.S Division 1 (Unrated)

The One Where No One is Ready, The One Where They Get Back Together, The One with All the Candy, The One Where Joey Dates Rachel, The One with Ross Wedding

FizzBuzz Division 1 (Unrated)

Magical Planks, Clean The Sequence, Substring Minimum Function, Kingdom Attack

November Lunchtime 2021 Division 1

Min-Max Rotations, Subarray Jumps

December Challenge 2021 Division 1 (Unrated)

Increasing String , Yet Another Tree Problem, Valleys and Hills, Rock Paper Scissors, Pyramid Traversal, Min Manhattan Distance, Squares Counting

January Long 2022 - I, Division 1 (Unrated)

Sequence Master, Generating Cycles, Retrieve back the Array, Chef and Riffles

January Long 2022 - II, Division 1 (Unrated)

Array Partition, Power Sum, Tree Master, Sum and OR, Crying Colours

February Long 2022 - I, Division 1 (Unrated)

Random OR, Digit Multiplication By K, Binary Base Basics, Bitwise Blend, Remove Adjacent

February Long 2022 - II, Division 1 (Unrated)

Sequence GCD, Area Sums in Convex Polygons, Bitwise swaps, Xor Palindrome

Total Problems Solved: 216

2629
(Div 1)
★★★★★★★
CodeChef Rating (Highest Rating 2713)
  • Inactive Global Rank
  • Inactive Country Rank

Badges

Contest Contender - Bronze Badge

Contest Contender - Bronze Badge

Received for participating in 5 Contests

Problem Solver - Bronze Badge

Problem Solver - Bronze Badge

Received for solving 50 Problems

Daily Streak - Bronze Badge

Daily Streak - Bronze Badge

Received for maintaining a streak of 5 days

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