Rajesh Kumar
- rajeshkumar_03
India- Student
- Kalaignar Karunanidhi Institute of Technology Kannampalayam, Coimbatore, Tamil Nadu
- No Active Plan. View Details
Submissions Heat Map
Learning Paths (10)
Linked Lists
Learn HTML / CSS
Learn Python Programming
Problem solving in Python
Learn Advanced SQL
Learn SQL
Time complexity
Completed
Python Projects for Beginners:
OOPs Concepts in Python
Stacks and Queues
Practice Paths (23)
Practice Arrays
1400 to 1600 difficulty problems
Two Pointers and Sliding Window Technique
SQL Practice Queries
Practice Python
Top SQL Interview Questions
Projects using HTML / CSS
Jump from 2* to 3*
Greedy Algorithms
Completed
Binary Search
Linked Lists
Arrays, Strings & Sorting
Completed
2D Array / Matrices
Practice Sorting
Completed
1000 to 1400 difficulty problems
Amazon Coding Interview Questions
Practice Basic Math
Completed
Practice Strings
Level up from 1* to 2*
Completed
500 difficulty rating
Bit manipulation
500 to 1000 difficulty problems
Completed
Practice for ZCO and INOI
Contests (100)
February Cook-Off 2023 Division 4 (Rated)
Battery Health
Starters 77 Division 4 (Rated)
Tekken, Tom and Jerry Chase, Codechef Airlines
Starters 78 Division 4 (Rated)
Candy Store, Good Turn
Starters 79 Division 4 (Rated)
Better Deal, Ageing
Starters 80 Division 4 (Rated)
Just One More Episode
Starters 85 Division 4 (Rated)
Efficient PAN Linking, Inside The Stadium, IPL Ticket Rush, Can Chef
Starters 86 Division 4 (Rated)
Cricket Match, Chef and Battery , CodeChef Learn Problem Solving
Starters 87 Division 4 (Rated)
Four Tickets, Buy Ten Packets, Return the Change, Existence
Starters 83 Division 4 (Rated)
Chef Eren, Budget of Technex, Couple Game
Starters 88 Division 4 (Rated)
Masterchef finals, Online or Offline, Largest and Second Largest
Starters 89 Division 4 (Rated)
Monopoly, Plus 2 or Minus 1, Parliament, DDMM or MMDD
Starters 90 Division 4 (Rated)
Learning SQL, AP Free Sequences, Favourite Numbers
Starters 91 Division 4 (Rated)
Bus Seat Numbering, Parking Charges
Starters 93 Division 4 (Rated)
Right There, 7 Rings, Problem
Starters 94 Division 4 (Rated)
The Gift, Gymkhana Election IIIT-A, CodeChef Streak
Starters 96 Division 4 (Rated)
Remove Multiples, Bells of Pilgrimage, Weeding, AB Difference
Starters 97 Division 4 (Rated)
Caesar Cipher, 2000, Best of Two
Starters 98 Division 4 (Rated)
Messi vs Ronaldo, FIND A and B, Airport Management, Ball Distribution
Starters 99 Division 4 (Rated)
Card Swipe, Endless Appetizers, Puzzle Hunt, Exclusion-Inclusion
Starters 100 Division 4 (Rated)
Air Quality Index, Trade Surplus, Chocolate Distribution
Starters 101 Division 4 (Rated)
Warrior Chef, Work Smarter, Not Harder, Lockpicking Chef, Off By One
Starters 102 Division 3 (Rated)
Bit Play, Selling Insurance, Chef and Stocks
Starters 103 Division 3 (Rated)
Sunday Brunch, Divisible By 8, 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, Save People, Guess the winner!
Starters 107 Division 3 (Rated)
Rock Paper Scissor, Pending Assignments, OR Permutation
Starters 108 Division 3 (Rated)
Palindromic Prime Numbers, Chess Pairing
Starters 109 Division 3 (Rated)
Minimum XOR, Cricket World Cup Qualifier, Best of N Sets, Worth of a Video
August Long 2023 Division 4 (Unrated)
All New CodeChef
SQL Contest (Unrated)
First Problem on SQL, Number of Distinct Institutes, Div 2 Ranklist, Total Time
Starters 110 Divison 3 (Rated)
Water Park, Airlines, Marbles, Am I Lucky!
Starters 111 Divison 3 (Rated)
Prefixing, Reach Codetown, Exams
Starters 112 Division 3 (Rated)
Fair Share Settlement, 3 Logicians Walk into a Bar, Max Nutrition
Starters 113 Division 3 (Rated)
Maximum Score , Sum Neq , Make N Zero
Starters 114 Division 3 (Rated)
Painting Walls, Christmas Candy
Starters 115 Division 3 (Rated)
A PLUS B Remastered, Decorating Christmas Tree, Chocolate Distribution
Starters 116 Division 3 (Rated)
Chef Product, Hattrick, ORST , Access Control
Starters 117 Division 3 (Rated)
Weapon Choice, Spell Shortening
Starters 118 Division 3 (Rated)
Subset GCD, Literacy Rate, Join States, Xorry 1
Starters 119 Division 3 (Rated)
Judged, Cookie Day, Another Good String
Starters 120 Division 3 (Rated)
Largest K, Sub or Swp, Valentine Gifts
Starters 121 Division 3 (Rated)
Caesar Cipher Lite, Anti Adjacent Swaps, The Man Code
Starters 122 Division 3 (Rated)
Problem Reviews, Arya In Grid, Man of the Match
Starters 123 Division 3 (Rated)
Room Allocation, Maximise Adjacent Sum, Minimum And Maximum I
Starters 124 Division 3 (Rated)
Binary Parity, Table Strength, Cricket Tournament
Starters 125 Division 3 (Rated)
50-50 Rule, Fake Certificate, Binary Minimal
Starters 126 Division 3 (Rated)
Dice Game 3, Sale, Permutation Disturbance
Starters 127 Division 3
Superincreasing, Extreme Basketball
Starters 128 Division 3 (Rated)
Moody Chef, MEXimize the Array
Starters 129 Division 3 (Rated)
Pep Bidding, Ballon d Or
Starters 130 Division 3 (Rated)
Make Equal, Alternating Binary String, Swapping Marks Digits
Starters 131 Division 3 (Rated)
K-Closeness, Gotta Catch Em All, Dice Deception, Encrypt Value
Starters 132 Division 3 (Rated)
ALIEN-OR, Change Please, GAME 11
Starters 133 Division 3 (Rated)
Legs on a Farm, Maximum Alternating Sum
Starters 134 Division 3 (Rated)
Origin, Money Double, Rock Paper Scissors
Starters 135 Division 3 (Rated)
Invert And Equalize, Football Ties
Starters 136 Division 3 ( Rated )
Sum of Modes, Even Sum Subarray, My First Geometry Problem
Starters 137 Division 3 (Rated)
Spell Splice, Large Differences
Starters 138 Division 3 (Rated)
Prefix Suffix Inequality, Heat Wave, Long Drive, Distinct Substring
Starters 139 Division 3 (Rated)
Maximum Distance Permutations, Distribute Cookies
Starters 140 Division 3 (Rated)
Make Permutation, Split Permutation, Trick Or Treat, Yoga Day, Yoga Class
Starters 141 Division 3 (Rated)
Redundant Array, Nearly Equal
Starters 142 Division 3 (Rated)
Chef loves Pizza Chef loves halfs, Penalty Shoot-out, Array Removal
Starters 143 Division 3 (Rated)
Binary Conversion, Maximum Coins
Starters 144 Division 3 (Rated)
Budget Allotment, Largest K, Savings Account
Starters 145 Division 3 (Rated)
Make Bob Win , Gun Master, Make My Array Equal
Starters 146 Division 3 (Rated till 5 stars)
Bouncing Ball, Permutation Construction, Knockout tournament, No Winner
Starters 147 Division 3 (Rated till 5 stars)
Truth Teller And Liars 101, Independence Day 101, Gold Coins 101
Starters 148 Division 3 (Rated)
Let Me Eat Cake!, FightBots
Starters 149 (Rated)
Magical World, Easy Subarray Sum, Maximise Sum
Starters 150 (Rated)
Find Multiset State, Ratio By 2, Equal Pairs (Easy)
Starters 151 (rated)
Ball Game, Convert string, International Gym Day
Starters 153 (Rated)
Make Arithmetic Progression, Butterfly, Another Game, Colorful Tree (Easy Version)
Starters 154 (Rated)
GCD and XOR, Add 1 or 2 Game, Calorie Limit
Starters 155 (Rated)
GCD to 1 (Easy), GCD to 1 (Hard)
Starters 156 (Rated)
Count Triplets, Partition Score, Long Queue, Even Numbers Hate
Starters 157 (Rated)
Small, Smaller, Smallest, Not-too-far Replacement
Starters 158 (Rated)
Largest Subsequence, Multiply 2 to Minimize, Even vs Odd Divisors
Starters 159 (Rated)
Chess Colouring, Elections, Card Game
Starters 160 (Rated)
Too Many Oranges, Buying Order (Easy), Equate S and T
Starters 162 (Rated)
Adjacent Sum Array, Permutation Mod K
Starters 163 (Rated)
Nice Array, Minimum Types
Starters 164 (Rated)
Halloween Array, Construct Permutation, Swap and Flip
Starters 165 (Rated)
Reverse and Alternate, Stable Array, Bulk Discount
Starters 166 (Rated)
Distinct Power, Costly Permutations, Chefland Library
Starters 168 (Rated)
Binary Removals, Make Odd
Starters 169 (Rated)
Hamming equivalent, Make K Most Frequent
Starters 170 (Rated)
Crazy Jumping Frogs, Monster Monster
Starters 171 (Rated)
Swish Game, White Wall
Starters 172 (Rated)
Transform String, Small Palindrome, Streak Star
Starters 174 (Rated)
Mystic Slimes, Deletion and Difference
Starters 175 (Rated)
Alternate It!, Make same
Starters 176 (Rated)
Same And, Clothing Store, Costly Summit
Starters 177 (Rated)
Flip or Reverse, Counting 01 and 10, Ordered Distances, 2 Boxes
Starters 179 (Rated)
Lost in the Fest!!, Unlock The Safe
Starters 180 (Rated)
Shall we play a game, Array Operations
Starters 182 (Rated)
Bar Queue, Beautiful Garden, Palindromic Score
Starters 183 (Rated)
S to T, Larger Smaller, Max Triangle
Starters 184 (Rated)
One Down, Front or Back
Starters 187 (Rated)
OR What, Incremental Game
Starters 196 (Rated)
Beauty in Everything, Sugar Limit, Append Average
Starters 197 (Rated)
Good Ranking (Pair), All Odd Prefix Sums, Split