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Practice Compete Compiler

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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
Home » raj_045
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raj_045

  • 2★raj_045
  •   India
  • Student
  • Kalaignar Karunanidhi Institute of Technology Kannampalayam, Coimbatore, Tamil Nadu
  • No Active Plan. View Details

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Rating Graph

No. of Contests Participated: 88
1529 (+40)RatingProvisional
Rating i Provisional Rating, click to know more
Starters 196 (Rated)(2025-07-23 22:00:04)
Global Rank:   577
Cheated in:   

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Learning Paths (1)

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Problem solving in C

3%

Practice Paths (9)

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Practice Python

7%
learn-icon

SQL case studies

17%
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Linked Lists

15%
learn-icon

1600 to 1800 difficulty problems

0%
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Stacks and Queues

12%
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Practice Strings

16%
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Level up from 1* to 2*

6%
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1000 to 1400 difficulty problems

15%
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Arrays, Strings & Sorting

20%

Contests (88)

February Cook-Off 2023 Division 4 (Rated)

Battery Health

Starters 77 Division 4 (Rated)

Spreading Charges, Tekken, Tom and Jerry Chase, Codechef Airlines

Starters 80 Division 4 (Rated)

Just One More Episode

Starters 81 Division 4 (Unrated)

Sunny Day

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

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, Printing Binary Array, Favourite Numbers

Starters 91 Division 4 (Rated)

Odd GCD Permutation, Blobby Volley Scores, 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 95 Division 4 (Rated)

Donation Drive, Donation Rewards

Starters 96 Division 4 (Rated)

Bells of Pilgrimage, Weeding, AB Difference

Starters 97 Division 4 (Rated)

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 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)

Santa and Chocolates, Pizza Cutting, Double Rent

Starters 106 Division 3 (Rated)

Chef Fantasy 11, Playing with OR, Guess the winner!, Survival Time

Starters 107 Division 3 (Rated)

Rock Paper Scissor, Pending Assignments, Clear Day, OR Permutation

Starters 108 Division 3 (Rated)

Chess Pairing

Starters 109 Division 3 (Rated)

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

August Long 2023 Division 3 (Unrated)

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

SQL Contest (Unrated)

First Problem on SQL, Number of Distinct Institutes, Div 2 Ranklist

Starters 110 Divison 3 (Rated)

Water Park, Airlines, Marbles,  Am I Lucky!

Starters 111 Divison 3 (Rated)

Beautiful Strings, Reach Codetown, Exams, 404 Not Found

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, Thala For A Reason

Starters 114 Division 3 (Rated)

Rock-Paper-Scissors, Painting Walls, Christmas Candy

Starters 117 Division 3 (Rated)

Not Prime Permutation, Weapon Choice, Spell Shortening

Starters 118 Division 3 (Rated)

Subset GCD, Literacy Rate, Join States, Xorry 2, Xorry 1

Starters 119 Division 4 (Rated)

Advitiya, Judged, Cookie Day

Starters 120 Division 4 (Rated)

Largest K, Valentines Contest, Sub or Swp, Valentine Gifts

Starters 125 Division 4 (Rated)

Overspeeding, 50-50 Rule, Fake Certificate, Binary Minimal

Starters 126 Division 4 (Rated)

AC Please, Dice Game 3, Freedom, Sale, Permutation Disturbance, Triangular Swaps

Starters 127 Division 4

The Ides of March, Superincreasing, Extreme Basketball

Starters 128 Division 3 (Rated)

Moody Chef, MEXimize the Array, Reach 5 Star

Starters 129 Division 3 (Rated)

Football Training, Pep Bidding, Ballon d Or

Starters 130 Division 3 (Rated)

Swapping Marks Digits

Starters 131 Division 3 (Rated)

Remaining Neighborhoods, K-Closeness, Gotta Catch Em All, Dice Deception, Encrypt Value

Starters 132 Division 3 (Rated)

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, Change A to B, 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 139 Division 3 (Rated)

Maximum Distance Permutations, Distribute Cookies

Starters 140 Division 3 (Rated)

Make Permutation, Split Permutation, Trick Or Treat, Yoga Class

Starters 141 Division 3 (Rated)

Nearly Equal

Starters 142 Division 3 (Rated)

Chef loves Pizza Chef loves halfs, Penalty Shoot-out

Starters 143 Division 3 (Rated)

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, Non-Primes 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)

Equal Pairs (Hard), Find Multiset State, Ratio By 2, Equal Pairs (Easy)

Starters 151 (rated)

Convert string, International Gym Day

Starters 152 (Rated)

Maximize Hamming Distance, Winning World Finals, Range Minimize

Starters 153 (Rated)

Make Arithmetic Progression, Butterfly, Another Game, Colorful Tree (Easy Version)

Starters 154 (Rated)

GCD and XOR, Add 1 or 2 Game

Starters 155 (Rated)

GCD to 1 (Easy), GCD to 1 (Hard)

Starters 156 (Rated)

Partition Score, Even Numbers Hate

Starters 157 (Rated)

Small, Smaller, Smallest, Not-too-far Replacement, Non-matching Name, Normal is Good (Easy)

Starters 159 (Rated)

Elections

Starters 160 (Rated)

Too Many Oranges, Buying Order (Easy), Equate S and T

Starters 162 (Rated)

Empty the String, Adjacent Sum Array

Starters 163 (Rated)

Nice Array, Minimum Types

Starters 164 (Rated)

Halloween Array, Swap and Flip

Starters 165 (Rated)

Reverse and Alternate, Stable Array, Bulk Discount

Starters 166 (Rated)

Distinct Power, Costly Permutations, Chefland Library

Starters 167 (Rated)

Temperature Balance, Lottery Tickets, Delete Not Equal, Grid Construction (Even), Grid Construction (Odd)

Starters 168 (Rated)

No Two Alike, Binary Removals, Make Odd

Starters 169 (Rated)

Hamming equivalent

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

Starters 173 (Rated upto < 2700)

Cool Subsequences, Time Penalty

Starters 174 (Rated)

Mystic Slimes, Deletion and Difference

Starters 175 (Rated)

Make same

Starters 177 (Rated)

Flip or Reverse, Ordered Distances, 2 Boxes

Starters 178 (Rated)

Minimum Colours (Easy), Placing 01 And 10

Starters 179 (Rated)

Lost in the Fest!!, Station Allocation, Unlock The Safe, Conquer the Fest!!, Can you reach

Starters 180 (Rated)

Shall we play a game, Array Operations, Maximum Ones, CodeMat

Starters 183 (Rated)

Complete MST, Larger Smaller, Max Sixers, Max Triangle

Starters 184 (Rated)

One Down, Front or Back, Sum to 0

Starters 194 (Rated)

Mark All, Chef Bakes Cake 2, Chef Bakes Cake 3

Starters 196 (Rated)

More Cookies, Sugar Limit, Append Average

Total Problems Solved: 721

1529
(Div 3)
★★
CodeChef Rating (Highest Rating 1661)
  • 24362 Global Rank
  • 22239 Country Rank

Skill tests

77%

Python Skill test

Attempted on April 2024
View skill tests

Badges

Code Enthusiast - Bronze Badge

Code Enthusiast - Bronze Badge

Received for explaining 10 Solutions

Total likes: 2    Total dislikes: 0

Contest Contender - Gold Badge

Contest Contender - Gold Badge

Received for participating in 50 Contests

Problem Solver - Gold Badge

Problem Solver - Gold Badge

Received for solving 500 Problems

Daily Streak - Bronze Badge

Daily Streak - Bronze Badge

Received for maintaining a streak of 5 days

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