KARTHIKEYAN S
- karthikeya48
India- Student
- PSG Institute of Technology and Applied Research Neelambur, Coimbatore
- No Active Plan. View Details
Submissions Heat Map
Learning Paths (1)
Practice Paths (8)
Amazon Coding Interview Questions
Medium C++ puzzles
Jump from 2* to 3*
1400 to 1600 difficulty problems
Arrays, Strings & Sorting
1600 to 1800 difficulty problems
Dynamic programming
Data Structures Interview Questions
Contests (64)
Starters 72 Division 4 (Rated)
Indivisible, Sum it
Starters 73 Division 4 (Rated)
Chef Plays Ludo, Multivitamin Tablets, Lucky Numbers
Starters 74 Division 4 (Rated)
Facebook, Mana Points, Odd Even Binary String
Starters 75 Division 4 (Rated)
Three Powers of Two, Two Ranges, Saving Taxes, Profit Increment
Starters 76 Division 4 (Rated)
Redistributing Chocolates, Read Pages, Make Array Odd, Zero String, 400M Race
February Cook-Off 2023 Division 4 (Rated)
Battery Health, Take Not Less, Bi_lindrome!, Netflix
Starters 77 Division 4 (Rated)
Tekken, Tom and Jerry Chase, Codechef Airlines, Concat Palindrome
Starters 78 Division 4 (Rated)
Valid Expression, Passing Marks, Candy Store, Good Turn
Starters 79 Division 4 (Rated)
Add smallest prime factor, Distinct Opposite Sums, Better Deal, Ageing
Starters 80 Division 4 (Rated)
Prefix Permutation, Just One More Episode, Single-use Attack, Running Comparison, Equal Elements
Starters 81 Division 3 (Unrated)
Divide Pages, Maximum Capacity
Starters 87 Division 3 (Rated)
Return the Change, Existence, AB plus C
Starters 88 Division 3 (Rated)
Unstable Subarray, Largest and Second Largest
Starters 89 Division 3 (Rated)
Monopoly, Plus 2 or Minus 1, Positive or Negative Subarrays, DDMM or MMDD
Starters 92 Division 3 (Rated)
Rectangular Tiling, Distance Coloring, Dotify Playlist, Water Filling
Starters 93 Division 3 (Rated)
7 Rings, Problem
Starters 94 Division 3 (Rated)
Gymkhana Election IIIT-A, CodeChef Streak
Starters 96 Division 3 (Rated)
Remove Multiples, Bells of Pilgrimage, Weeding
Starters 97 Division 3 (Rated)
Best of Two
Starters 99 Division 3 (Rated)
Card Swipe, Endless Appetizers, Exclusion-Inclusion
Starters 100 Division 3 (Rated)
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)
Sunday Brunch, Dice Number
Starters 104 Division 3 (Rated)
Maximise Sum, Santa and Chocolates, Pizza Cutting, GCD and LCM
Starters 106 Division 3 (Rated)
Chef Fantasy 11, Playing with OR, Save People, Guess the winner!
Starters 122 Division 2 (Rated)
Arya In Grid, Transformation Cost, Man of the Match
Starters 123 Division 2 (Rated)
Maximise Adjacent Sum, Check Adjacent Sum, Minimum And Maximum I, Minimum And Maximum II
Starters 124 Division 2 (Rated)
Binary Parity, Table Strength, Make It One
Starters 125 Division 2 (Rated)
Operating on A, Fake Certificate, Binary Minimal
Starters 126 Division 2 (Rated)
Freedom, Permutation Disturbance
Starters 127 Division 2
Superincreasing, Anti-Triangle
Starters 128 Division 2 (Rated)
Binary Substring, XOR And Multiply, MEXimize the Array, Disjoint Non-Decreasing Array
Starters 129 Division 2 (Rated)
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, GAME 11
Starters 134 Division 2 (Rated)
Origin, Rock Paper Scissors
Starters 135 Division 2 (Rated)
Invert And Equalize, Change A to B
Starters 136 Division 2 ( Rated )
Sum of Modes, My First Geometry Problem
Starters 138 Division 2 (Rated)
A power B mod C , Prefix Suffix Inequality, Long Drive, Distinct Substring
Starters 139 Division 2 (Rated)
Sum of N, Maximum Distance Permutations
Starters 147 Division 2 (Rated till 5 stars)
K Subsequence 101, Truth Teller And Liars 101, Independence Day 101, Non-Primes 101, Gold Coins 101
Starters 148 Division 2 (Rated)
Double Trouble, FightBots
Starters 150 (Rated)
Equal Pairs (Hard), Find Multiset State, Equal Pairs (Easy)
Starters 151 (rated)
Sequence Search, Convert string
Starters 152 (Rated)
Maximize Hamming Distance, Anti-Palindrome Queries, Range Minimize
Starters 157 (Rated)
Small, Smaller, Smallest, Not-too-far Replacement
Starters 159 (Rated)
Super Hero, Random Nim, Chess Colouring, Elections
Starters 160 (Rated)
Palindrome Love, Buying Order (Easy), Equate S and T
Starters 163 (Rated)
Nice Array, Minimum Types, Lexio Swap
Starters 164 (Rated)
Halloween Array, Construct Permutation, Swap and Flip, Connecting Wells
Starters 165 (Rated)
Reverse and Alternate, A to B, Stable Array, Bulk Discount
Starters 166 (Rated)
Distinct Power, Chefland Library
Starters 167 (Rated)
Temperature Balance, Lottery Tickets, Delete Not Equal, Grid Construction (Even), Grid Construction (Odd)
Starters 168 (Rated)
Binary Removals, Make Odd
Starters 169 (Rated)
Hamming equivalent, Make K Most Frequent
Starters 170 (Rated)
Crazy Jumping Frogs, qUiRkY qUesTs (Easy), Monster Monster
Starters 171 (Rated)
Swish Game, White Wall, Volcanic Eruption
Starters 172 (Rated)
Transform String, AndOr, Streak Star
Starters 173 (Rated upto < 2700)
Cool Subsequences, Time Penalty, Overwrite
Starters 174 (Rated)
GCD Add Size, Mystic Slimes, Deletion and Difference
Starters 175 (Rated)
Alternate It!, Make same
Starters 177 (Rated)
Flip or Reverse, Counting 01 and 10, Ordered Distances, 2 Boxes
Starters 178 (Rated)
Big Difference, Placing 01 And 10