raj_singh35
- raj_singh35
India- Student
- Institute of Engineering and Technology, Lucknow Uttar Pradesh, India
- No Active Plan. View Details
Activity Heat Map
Learning Paths (1)
Practice Paths (9)
Practice Strings
Binary Search
Practice Basic Math
1000 to 1400 difficulty problems
Dynamic programming
Level up from 1* to 2*
Practice for ZCO and INOI
Data Structures Interview Questions
Jump from 2* to 3*
Contests (76)
Starters 74 Division 4 (Rated)
Mana Points
Starters 75 Division 4 (Rated)
Two Ranges, Saving Taxes, Profit Increment
January Long 2023 Division 4 (Rated)
Overspeeding Fine, Negative Product
Starters 76 Division 4 (Rated)
Read Pages, 400M Race
February Cook-Off 2023 Division 4 (Rated)
Battery Health, Netflix
Starters 77 Division 4 (Rated)
Tom and Jerry Chase, Codechef Airlines
Starters 78 Division 4 (Rated)
Valid Expression, Passing Marks, Candy Store, Good Turn
Starters 79 Division 4 (Rated)
Distinct Opposite Sums, Better Deal, Ageing
Starters 80 Division 4 (Rated)
Just One More Episode, Single-use Attack, Running Comparison
Starters 81 Division 4 (Unrated)
Divide Pages, Maximum Capacity, Sunny Day
Starters 82 Division 4 (Rated)
Reach Home, MIN To MAX, Candy Division
Starters 84 Division 4 (Rated)
Chef and Donation, Elections in Chefland, Max Binary, Melt Gold
Starters 85 Division 4 (Rated)
Crazy Bishops on Chessboard, Efficient PAN Linking, Inside The Stadium, IPL Ticket Rush, Can Chef
Starters 86 Division 4 (Rated)
String Game , Cricket Match, Chef and Battery , CodeChef Learn Problem Solving, Maximise Score
Starters 87 Division 4 (Rated)
Four Tickets, Buy Ten Packets, Return the Change
Starters 83 Division 4 (Rated)
Chef Eren, Construct String, Budget of Technex, Couple Game
Starters 88 Division 4 (Rated)
Masterchef finals, Online or Offline, Largest and Second Largest
Starters 89 Division 3 (Rated)
Monopoly, Plus 2 or Minus 1, Positive or Negative Subarrays, Parliament, DDMM or MMDD
Starters 90 Division 3 (Rated)
AP Free Sequences, Printing Binary Array, Anti Palindrome
Starters 91 Division 3 (Rated)
Odd GCD Permutation, Chef Odd, Blobby Volley Scores
Starters 92 Division 3 (Rated)
Rectangular Tiling, Dotify Playlist, Water Filling
Starters 93 Division 3 (Rated)
7 Rings, Problem
Starters 94 Division 3 (Rated)
Gymkhana Election IIIT-A, CodeChef Streak, The Vowel Matrix
Starters 95 Division 3 (Rated)
Alt-Tab, Boxes, Donation Drive, Donation Rewards, Transfusion Chain, EVacuate to Moon
Starters 96 Division 3 (Rated)
Remove Multiples, Bells of Pilgrimage, Weeding
Starters 97 Division 3 (Rated)
Best of Two
Starters 98 Division 3 (Rated)
Messi vs Ronaldo, FIND A and B, Airport Management
Starters 99 Division 3 (Rated)
Card Swipe, Endless Appetizers, Puzzle Hunt, Exclusion-Inclusion
Starters 101 Division 3 (Rated)
Work Smarter, Not Harder
Starters 102 Division 3 (Rated)
Bit Play, Array Sum, Selling Insurance, Chef and Stocks
Starters 103 Division 3 (Rated)
Sunday Brunch, Divisible By 8, Dice Number
Starters 104 Division 3 (Rated)
Santa and Chocolates, Pizza Cutting, GCD and LCM
Starters 105 Division 3 (Rated)
Dracula Eats, Take it Easy, Dull Operation
Starters 106 Division 2 (Rated)
Fan Poll, Chef Fantasy 11, Playing with OR, Save People, Guess the winner!
Starters 108 Division 2 (Rated)
Clan Expansion, Palindromic Prime Numbers, Fair Distribution
Starters 109 Division 2 (Rated)
Minimum XOR, Cricket World Cup Qualifier, Best of N Sets, Worth of a Video, Alter Ego
August Long 2023 Division 3 (Unrated)
Codechef Copy, All New CodeChef, Maximum Deliciousness, I Can Use Both Hands!
September Short 2023 Division 3 (Unrated)
GCD Discount, Lucky Seven, Slow Start, Mixing Extraordinaire
Starters 111 Division 2 (Rated)
Prefixing, Reach Codetown
Starters 112 Division 2 (Rated)
Cursed Indices, Food Costs, Fair Share Settlement, 3 Logicians Walk into a Bar, Permutation Construction, Max Nutrition
Starters 113 Division 2 (Rated)
Minimise Maximum Subarray Sum, Maximum Score , Sum Neq , Thala For A Reason
Starters 114 Division 2 (Rated)
Chef and Tag, Rock-Paper-Scissors, Painting Walls, Christmas Candy, Christmas Greetings
Starters 115 Division 2 (Rated)
Greedy LIS Algorithm, A PLUS B Remastered, Decorating Christmas Tree
Starters 116 Division 2 (Rated)
ORST , Access Control
Starters 117 Division 2 (Rated)
Not Prime Permutation, Spell Shortening
Starters 118 Division 2 (Rated)
Subset GCD, Join States, Xorry 2, Xorry 1
Starters 119 Division 2 (Rated)
Cookie Day, Another Good String , K Odd Sum
Starters 120 Division 2 (Rated)
Count Subarrays, Sub or Swp
Starters 121 Division 2 (Rated)
Frequal, Split And Maximize, Caesar Cipher Lite, Leg Space, Anti Adjacent Swaps, The Man Code
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, Swap and Unite, Make It One, Summer Time
Starters 126 Division 2 (Rated)
Freedom, Permutation Disturbance, Triangular Swaps
Starters 127 Division 2
ABC Conjecture, The Ides of March, Superincreasing, Extreme Basketball, Anti-Triangle
Starters 128 Division 2 (Rated)
MEXimize the Array
Starters 129 Division 2 (Rated)
Ballon d Or
Starters 130 Division 2 (Rated)
Make Equal, Alternating Binary String
Starters 131 Division 2 (Rated)
K-Closeness, Dice Deception, Encrypt Value, T-Perm
Starters 133 Division 2 (Rated)
ABC Conjecture 3, Powered Parameters, Maximum Alternating Sum
Starters 134 Division 2 (Rated)
Origin, Prison Escape, Rock Paper Scissors
Starters 135 Division 2 (Rated)
Invert And Equalize, Change A to B
Starters 137 Division 2 (Rated)
Large Differences
Starters 138 Division 2 (Rated)
A power B mod C , TRIPLE PRIMES, Prefix Suffix Inequality, Long Drive, Distinct Substring
Starters 139 Division 2 (Rated)
Sum of N, Maximum Distance Permutations
Starters 140 Division 2 (Rated)
Make Permutation, Split Permutation, Trick Or Treat, Tree Removal
Starters 142 Division 2 (Rated)
Chef loves Pizza Chef loves halfs, Array Removal, Number Hunt
Starters 143 Division 2 (Rated)
Non-Divisor Array, Binary Conversion
Starters 145 Division 2 (Rated)
Make Bob Win , Make My Array Equal
Starters 146 Division 2 (Rated till 5 stars)
Permutation Construction, Knockout tournament
Starters 155 (Rated)
GCD to 1 (Easy), GCD to 1 (Hard), Prefix Suffix Min Max
Starters 156 (Rated)
Partition Score, Even Numbers Hate
Starters 159 (Rated)
Crafty Coloring (Easy), Super Hero, Elections
Starters 162 (Rated)
Empty the String, Adjacent Sum Array, Permutation Mod K
Starters 163 (Rated)
Nice Array, Minimum Types, Sort Them
Starters 164 (Rated)
Halloween Array, Construct Permutation, Swap and Flip
Starters 165 (Rated)
Reverse and Alternate, A to B, Stable Array, Bulk Discount
Starters 166 (Rated)
Chefland Library
Starters 167 (Rated)
Temperature Balance, Lottery Tickets, Delete Not Equal, Grid Construction (Odd)