
Rajat Choudhary
- 3★rajatchou_123
India
- Student
- Swami Keshvanand Institute of Technology Management and Gramothan Jaipur, Rajasthan, India
- No Active Plan. View Details
Submissions Heat Map
Rating Graph
Ratings System Update
(2025-01-08 22:30:02)Ratings System Update
(2022-12-20 00:00:00)Learning Paths (1)
Practice Paths (2)
Contests (88)
Starters 62 Division 4 (Rated)
X Jumps, Max minus Min, Test Score
Starters 64 Division 4 (Rated)
Mario and the Broken String, Distinct Colors, Water Consumption
Starters 65 Division 4 (Rated)
Nahaane Jaa, Parity, Candies, Hackerman
November Long 2022 Division 4 (Rated)
Time Complexity, Water Mixing, String Game
Starters 66 Division 4 (Rated)
Good Binary Strings, Palindrome by Splitting, Just Like Mob!, Binary Battles, Squats, Monopoly in Chefland
Starters 67 Division 4 (Rated)
Expensive Steps , Minimum Number of Ones, Counting Problem, Tour of King
Starters 68 Division 3 (Rated)
Expense List, Bull or Bear, Make AP, Make Money
Starters 69 Division 3 (Rated)
Convert to permutation
Starters 70 Division 3 (Rated)
Kitchen Timings, Spice Level, Cost of Groceries, Minimum distance between 1s, Prime Reversal, Frequency Array Retrieval
Starters 71 Division 3 (Rated)
Pet Store, Instagram, Snapchat, Perfect Trio
December Long 2022 Division 3 (Rated)
Divisible by A_i, Gcd of Subarrays, Good Investment or Not, Divisible by K, Reach fast, Maximise XOR
Starters 72 Division 3 (Rated)
Indivisible, Apples and oranges, Sum it
Starters 73 Division 3 (Rated)
Lucky Numbers, Append for OR
Starters 74 Division 3 (Rated)
Mana Points, Chef And Babla, Lcm hates Gcd, Odd Even Binary String
Starters 75 Division 3 (Rated)
Three Powers of Two, Two Ranges, Saving Taxes, Profit Increment
January Long 2023 Division 3 (Rated)
Asymmetric Swaps, Far from origin, Overspeeding Fine, Negative Product
Starters 76 Division 3 (Rated)
Redistributing Chocolates, Read Pages, Make Array Odd, Zero String, Construct Array, 400M Race, Not Divisible
February Cook-Off 2023 Division 3 (Rated)
Take Not Less, Bi_lindrome!, Permutation and Modulus, Netflix
Starters 77 Division 3 (Rated)
Tekken, Tom and Jerry Chase, Codechef Airlines
Starters 78 Division 3 (Rated)
Valid Expression, Passing Marks, Candy Store, Good Turn
Starters 79 Division 3 (Rated)
Add smallest prime factor, Distinct Opposite Sums, Better Deal, Ageing
Starters 80 Division 3 (Rated)
Permutation Subsequence, Prefix Permutation, Just One More Episode, Single-use Attack, Running Comparison, Equal Elements
Starters 81 Division 3 (Unrated)
Divide Pages, Maximum Capacity
Starters 82 Division 3 (Rated)
Reach Home, MIN To MAX
Starters 84 Division 3 (Rated)
Max count of 1, Chef and Donation, Elections in Chefland, Max Binary, Chef And Adjacent Sums, Melt Gold
Starters 85 Division 3 (Rated)
Efficient PAN Linking, Inside The Stadium, IPL Ticket Rush, Can Chef
Starters 86 Division 3 (Rated)
String Game , Cricket Match, Chef and Battery , CodeChef Learn Problem Solving, Maximise Score
Starters 87 Division 3 (Rated)
Four Tickets, Return the Change, Existence
Starters 83 Division 3 (Rated)
Chef Eren, Construct String
Starters 88 Division 3 (Rated)
Unstable Subarray, Masterchef finals, Online or Offline, Largest and Second Largest
Starters 90 Division 3 (Rated)
AP Free Sequences, Printing Binary Array
Starters 91 Division 3 (Rated)
Odd GCD Permutation, Chef Odd, Blobby Volley Scores
Starters 93 Division 3 (Rated)
Right There, 7 Rings, Problem
Starters 94 Division 3 (Rated)
Gymkhana Election IIIT-A, CodeChef Streak
Starters 95 Division 3 (Rated)
Alt-Tab, 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)
Caesar Cipher, Schrodinger Smiley, 2000, 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 100 Division 3 (Rated)
Trade Surplus, Chocolate Distribution
Starters 101 Division 3 (Rated)
Warrior Chef, Work Smarter, Not Harder, Lockpicking Chef
Starters 102 Division 2 (Rated)
Bit Play, Array Sum
Starters 103 Division 2 (Rated)
Dice Number
Starters 104 Division 2 (Rated)
Maximise Sum, GCD and LCM
Starters 105 Division 2 (Rated)
Take it Easy, Dull Operation
Starters 106 Division 2 (Rated)
Playing with OR, Save People
Starters 107 Division 2 (Rated)
Adjacent Flips, Rock Paper Scissor, OR Permutation
Starters 108 Division 2 (Rated)
Clan Expansion, Palindromic Prime Numbers, Rivalry, Chess Pairing
Starters 109 Division 2 (Rated)
Minimum XOR, Best of N Sets
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)
Reach Codetown
Starters 112 Division 2 (Rated)
3 Logicians Walk into a Bar, Max Nutrition
Starters 113 Division 3 (Rated)
Minimise Maximum Subarray Sum, Make All Equal, Maximum Score , Make N Zero
Starters 114 Division 2 (Rated)
Rock-Paper-Scissors, Christmas Candy
Starters 115 Division 2 (Rated)
Greedy LIS Algorithm, A PLUS B Remastered, Decorating Christmas Tree
Starters 116 Division 2 (Rated)
Chef Product, ORST , Access Control
Starters 117 Division 2 (Rated)
Not Prime Permutation, Spell Shortening
Starters 118 Division 2 (Rated)
Subset GCD, Join States, Xorry 1
Starters 119 Division 2 (Rated)
Cookie Day, Another Good String , K Odd Sum
Starters 120 Division 2 (Rated)
Sub or Swp
Starters 121 Division 2 (Rated)
Frequal, Caesar Cipher Lite, Anti Adjacent Swaps
Starters 122 Division 2 (Rated)
Arya In Grid, Man of the Match
Starters 124 Division 2 (Rated)
Binary Parity, Table Strength, Swap and Unite
Starters 130 Division 2 (Rated)
Make Equal, Alternating Binary String, Good Binary String
Starters 131 Division 2 (Rated)
Dice Deception
Starters 132 Division 2 (Rated)
ALIEN-OR, GAME 11
Starters 133 Division 2 (Rated)
Legs on a Farm, Devouring Donuts, Maximum Alternating Sum
Starters 134 Division 2 (Rated)
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)
Long Drive, Distinct Substring
Starters 139 Division 3 (Rated)
Maximum Distance Permutations, Distribute Cookies
Starters 140 Division 2 (Rated)
Make Permutation, Split Permutation, Trick Or Treat, Tree Removal
Starters 141 Division 2 (Rated)
Redundant Array, Amphibian Escape
Starters 142 Division 2 (Rated)
Chef loves Pizza Chef loves halfs, Writing Speed, Array Removal, Number Hunt
Starters 147 Division 2 (Rated till 5 stars)
Truth Teller And Liars 101, Independence Day 101, Gold Coins 101
Starters 149 (Rated)
Easy Subarray Sum, Maximise Sum
Starters 150 (Rated)
Equal Pairs (Hard), Find Multiset State, IOI 2024, Ratio By 2, Equal Pairs (Easy)
Starters 151 (rated)
Convert string
Starters 152 (Rated)
Maximize Hamming Distance, Range Minimize
Starters 153 (Rated)
Butterfly, Another Game
Starters 155 (Rated)
GCD to 1 (Easy), GCD to 1 (Hard), Replace With First, Prefix Suffix Min Max
Starters 156 (Rated)
Partition Score, Even Numbers Hate
Starters 159 (Rated)
Super Hero, Chess Colouring, Elections
Starters 160 (Rated)
Equate S and T
Starters 161 (Rated)
Two Cards
Starters 162 (Rated)
Adjacent Sum Array
Starters 168 (Rated)
No Two Alike, Make Odd