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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
Home » Macdonald Lyngdoh
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Macdonald Lyngdoh

Rookie League Rookie League
  • 4★mack_lykyn
  •   India
  • Student
  • National Institute of Technology Meghalaya India
  • No Active Plan. View Details

Submissions Heat Map

Rating Graph

No. of Contests Participated: 47
1880 (+20)RatingProvisional
Rating i Provisional Rating, click to know more
Starters 216 (Rated)(2025-12-10 22:00:02)
Global Rank:   193
Cheated in:   

Ratings System Update

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None(None)
Global Rank:   0
Cheated in:   

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Learning Paths (2)

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Linked Lists

44%
learn-icon

Learn Python Programming

9%

Practice Paths (3)

learn-icon

2000 to 2500 difficulty problems

54%
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Practice for ZCO and INOI

37%
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Level up from 1* to 2*

38%

Contests (47)

Starters 77 Division 4 (Rated)

Tekken, Tom and Jerry Chase, Codechef Airlines

Starters 78 Division 4 (Rated)

Valid Expression, Passing Marks, Candy Store, Good Turn

Starters 80 Division 4 (Rated)

Just One More Episode, Single-use Attack, Running Comparison, Equal Elements

Starters 81 Division 4 (Unrated)

Divide Pages, Maximum Capacity, Sunny Day

Starters 82 Division 3 (Rated)

Reach Home, MIN To MAX

Starters 86 Division 3 (Rated)

String Game , Cricket Match, Chef and Battery

Starters 87 Division 3 (Rated)

Existence

Starters 83 Division 3 (Rated)

Chef Eren, Construct String

Starters 91 Division 4 (Rated)

Odd GCD Permutation, Blobby Volley Scores, Bus Seat Numbering, Parking Charges

Starters 92 Division 4 (Rated)

Rectangular Tiling, Dotify Playlist, Water Filling, Oneful Pairs

Starters 94 Division 3 (Rated)

Gymkhana Election IIIT-A, CodeChef Streak

Starters 95 Division 3 (Rated)

Alt-Tab, Transfusion Chain, EVacuate to Moon

Starters 100 Division 3 (Rated)

Stamps 100, Trade Surplus, Chocolate Distribution

Starters 101 Division 3 (Rated)

Warrior Chef, Work Smarter, Not Harder, Lockpicking Chef

Starters 102 Division 3 (Rated)

Bit Play, Selling Insurance, Chef and Stocks

Starters 103 Division 3 (Rated)

Unique xor, Sunday Brunch, Divisible By 8, Dice Number

Starters 104 Division 2 (Rated)

Lexicographically Largest , Maximise Sum, GCD and LCM

Starters 106 Division 2 (Rated)

Playing with OR, Save People, Guess the winner!

Starters 107 Division 2 (Rated)

Maximal Expression, Rock Paper Scissor, OR Permutation

Starters 108 Division 2 (Rated)

Clan Expansion, Palindromic Prime Numbers

Starters 109 Division 2 (Rated)

Minimum XOR, Best of N Sets

August Long 2023 Division 3 (Unrated)

All New CodeChef, Maximum Deliciousness, I Can Use Both Hands!

September Short 2023 Division 3 (Unrated)

GCD Discount, Lucky Seven, Slow Start, Mixing Extraordinaire

SQL Contest (Unrated)

First Problem on SQL, Number of Distinct Institutes, Div 2 Ranklist, Total Time, Maximum Sum Subarray - SQL

Starters 111 Division 2 (Rated)

Prefixing, Beautiful Strings, Reach Codetown

Starters 112 Division 2 (Rated)

Cursed Indices, 3 Logicians Walk into a Bar, Max Nutrition

Starters 113 Division 3 (Rated)

Minimise Maximum Subarray Sum, Maximum Score , Sum Neq , Make N Zero

Starters 114 Division 3 (Rated)

Rock-Paper-Scissors, Painting Walls, Christmas Candy

Starters 115 Division 3 (Rated)

Greedy LIS Algorithm, Make All Zero, A PLUS B Remastered, Decorating Christmas Tree, Chocolate Distribution

Starters 116 Division 3 (Rated)

Chef Product, Hattrick, ORST , Access Control

Starters 117 Division 2 (Rated)

Equality Etiquette, Not Prime Permutation, Spell Shortening

Starters 118 Division 2 (Rated)

Subset GCD, Join States, Is it uniquely decodable, Xorry 2, Xorry 1

Starters 120 Division 2 (Rated)

Find Permutation , Count Subarrays, Sub or Swp

Starters 121 Division 2 (Rated)

Frequal, Split And Maximize, Caesar Cipher Lite, Anti Adjacent Swaps

Starters 122 Division 2 (Rated)

Arya In Grid, Transformation Cost, Man of the Match

Starters 128 Division 2 (Rated)

Binary Substring, XOR And Multiply, MEXimize the Array, Disjoint Non-Decreasing Array

Starters 129 Division 2 (Rated)

Palindromic Substrings, Ballon d Or

Starters 130 Division 2 (Rated)

Make Equal, Alternating Binary String, Good Binary String

Starters 131 Division 2 (Rated)

K-Closeness, Dice Deception, Encrypt Value, T-Perm

Starters 132 Division 2 (Rated)

ALIEN-OR, Optimal Flip, Prime Query, GAME 11

Starters 139 Division 2 (Rated)

Maximum Distance Permutations

Starters 140 Division 2 (Rated)

Make Permutation, Split Permutation, Trick Or Treat

Starters 141 Division 2 (Rated)

Redundant Array, Amphibian Escape

Starters 143 Division 2 (Rated)

Non-Divisor Array, Binary Conversion

Starters 144 Division 2 (Rated)

Budget Allotment, Largest K

Starters 159 (Rated)

Super Hero, Random Nim, Chess Colouring, Elections

Starters 160 (Rated)

Palindrome Love, Buying Order (Easy), Equate S and T

Starters 188 (Rated)

Yet Another Monsters Problem, Subset Sum 3

Starters 206 (Rated)

Cyclic Shift Minimization, Product Equal Sum, Gladiator Fighting, Prime Sum

Starters 216 (Rated)

Permutation Filling, LIS and LDS, XOR Equal Subtract, Best Seats

Total Problems Solved: 814

1880
(Div 2)
★★★★
CodeChef Rating (Highest Rating 1904)
  • 3300 Global Rank
  • 2636 Country Rank

Skill tests

90%

Python Skill test

Attempted on May 2024
View skill tests

Badges

Daily Streak - Diamond Badge

Daily Streak - Diamond Badge

Received for maintaining a streak of 100 days

Code Enthusiast - Bronze Badge

Code Enthusiast - Bronze Badge

Received for explaining 10 Solutions

Total likes: 6    Total dislikes: 0

Contest Contender - Gold Badge

Contest Contender - Gold Badge

Received for participating in 50 Contests

Problem Solver - Gold Badge

Problem Solver - Gold Badge

Received for solving 500 Problems

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