Macdonald Lyngdoh
- 4★mack_lykyn
India- Student
- National Institute of Technology Meghalaya India
- No Active Plan. View Details
Submissions Heat Map
Rating Graph
Ratings System Update
(2026-01-14 22:00:02)Learning Paths (2)
Practice Paths (3)
Contests (48)
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
Starters 221 (Rated)
Rectangle Coloring, Odd Operations, Three Strings Problem (Easy Version), Odd String