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Programming and DSA

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Programming and DSA

Learn to think like a programmer. Develop your problem-solving skills with essential data structures and algorithms.

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Programming and DSA

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Programming and DSA

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Practice Compete Compiler
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rajatgupta05

  • 1★rajatgupta65
  •   India
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Rating Graph

No. of Contests Participated: 50
1377 (+45)RatingProvisional
Rating i Provisional Rating, click to know more
Starters 206 (Rated)(2025-10-01 22:00:06)
Global Rank:   453
Cheated in:   

Ratings System Update

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Global Rank:   0
Cheated in:   

Ratings System Update

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Learning Paths (1)

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Learn SQL

1%

Practice Paths (3)

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SQL case studies

14%
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Top JavaScript Interview Questions

6%
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Level up from 1* to 2*

3%

Contests (50)

Starters 71 Division 4 (Rated)

Pet Store, Instagram, Perfect Trio

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, Chef And Babla

Starters 75 Division 4 (Rated)

Prefix Ones, Two Ranges, Saving Taxes, Profit Increment

January Long 2023 Division 4 (Rated)

Overspeeding Fine

Starters 76 Division 4 (Rated)

Redistributing Chocolates, Read Pages, Zero String, 400M Race

February Cook-Off 2023 Division 4 (Rated)

Battery Health, Bi_lindrome!, Permutation and Modulus, Netflix

Starters 77 Division 4 (Rated)

Tekken, Tom and Jerry Chase, Codechef Airlines

Starters 78 Division 4 (Rated)

Valid Expression, Candy Store, Good Turn

Starters 79 Division 4 (Rated)

Distinct Opposite Sums, Better Deal, Ageing

Starters 80 Division 4 (Rated)

Prefix Permutation, Just One More Episode, Single-use Attack, Equal Elements

Starters 82 Division 4 (Rated)

Find eX, Reach Home, MIN To MAX, Candy Division

Starters 84 Division 4 (Rated)

Chef and Donation, Elections in Chefland, Chef And Adjacent Sums, 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)

Cricket Match, Chef and Battery , CodeChef Learn Problem Solving, Maximise Score

Starters 87 Division 3 (Rated)

Return the Change, Existence

Starters 83 Division 4 (Rated)

Chef Eren, Budget of Technex, Couple Game

Starters 88 Division 3 (Rated)

Unstable Subarray, Largest and Second Largest

Starters 89 Division 3 (Rated)

Monopoly, Plus 2 or Minus 1, DDMM or MMDD

Starters 90 Division 3 (Rated)

AP Free Sequences, Printing Binary Array, Anti Palindrome

Starters 91 Division 3 (Rated)

Odd GCD Permutation, 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

Starters 96 Division 3 (Rated)

Bells of Pilgrimage, Weeding

Starters 97 Division 4 (Rated)

Caesar Cipher, Schrodinger Smiley, 2000, Best of Two

Starters 98 Division 3 (Rated)

FIND A and B, Airport Management

Starters 99 Division 3 (Rated)

Card Swipe, Endless Appetizers, Exclusion-Inclusion

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)

Selling Insurance, Chef and Stocks

Starters 106 Division 3 (Rated)

Chef Fantasy 11

Starters 109 Division 3 (Rated)

Minimum XOR, Best of N Sets, Worth of a Video

August Long 2023 Division 3 (Unrated)

All New CodeChef, Maximum Deliciousness, I Can Use Both Hands!

September Short 2023 Division 3 (Unrated)

Lucky Seven, Slow Start, Mixing Extraordinaire

Starters 110 Divison 3 (Rated)

Water Park, Airlines, Marbles,  Am I Lucky!

Starters 111 Divison 3 (Rated)

Reach Codetown, Exams

Starters 112 Division 3 (Rated)

Cursed Indices, Fair Share Settlement, Max Nutrition

Starters 113 Division 3 (Rated)

Maximum Score , Make N Zero

Starters 114 Division 3 (Rated)

Rock-Paper-Scissors, Painting Walls, Christmas Candy

Starters 115 Division 3 (Rated)

Greedy LIS Algorithm, A PLUS B Remastered, Decorating Christmas Tree, Chocolate Distribution

Starters 117 Division 3 (Rated)

Not Prime Permutation, Weapon Choice, Spell Shortening

Starters 118 Division 3 (Rated)

Subset GCD, Literacy Rate, Join States, Xorry 1

Starters 121 Division 3 (Rated)

Caesar Cipher Lite, Anti Adjacent Swaps, The Man Code

Starters 123 Division 3 (Rated)

Room Allocation, Maximise Adjacent Sum, Check Adjacent Sum, Minimum And Maximum I, Minimum And Maximum II

Starters 127 Division 2

Superincreasing

Starters 134 Division 3 (Rated)

Origin, Money Double, Rock Paper Scissors

Starters 149 (Rated)

Magical World, Easy Subarray Sum, Maximise Sum, Chef Loves Beautiful Strings (Easy Version)

Starters 203 (Rated)

Maximum MST, Cab Rides

Starters 205 (Rated)

Unreachable, Prefix-Suffix Reconstruction, Mirror Jump, Triplet Maximization

Starters 206 (Rated)

Cyclic Shift Minimization, Remaining Money, Gladiator Fighting, Prime Sum, Expensive Buying

Total Problems Solved: 312

1377
(Div 4)
★
CodeChef Rating (Highest Rating 1609)
  • 48424 Global Rank
  • 44978 Country Rank

Skill tests

35%

SQL Skill Test

Attempted on September 2025
View skill tests

Badges

Contest Contender - Gold Badge

Contest Contender - Gold Badge

Received for participating in 50 Contests

Problem Solver - Silver Badge

Problem Solver - Silver Badge

Received for solving 250 Problems

Daily Streak - Bronze Badge

Daily Streak - Bronze Badge

Received for maintaining a streak of 5 days

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