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Programming and DSA

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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

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

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Practice Compete Compiler
Home » Dev Raj Singh
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Dev Raj Singh

Rookie League Rookie League
  • 1★dev_cc
  •   India
  • Other
  • No Active Plan. View Details

Submissions Heat Map

Rating Graph

No. of Contests Participated: 32
1321 (-17)RatingProvisional
Rating i Provisional Rating, click to know more
Starters 237 (Rated)(2026-05-06 22:00:06)
Global Rank:   4975
Cheated in:   

Ratings System Update

(2026-05-06 22:00:06)
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NA? (+NA)RatingProvisional
Rating i Provisional Rating, click to know more
None(None)
Global Rank:   0
Cheated in:   

Ratings System Update

(None)
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Learning Paths (0)

Practice Paths (2)

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500 to 1000 difficulty problems

58%
learn-icon

500 difficulty rating

Completed

Contests (32)

Starters 202 (Rated)

Endless Play, Two Rolls

Monday Munch - DSA Challenge

Search an element in an array, Merge two sorted arrays

Monday Munch - DSA Challenge 02

Cycle in a linked list, Search in a 2D Matrix

Starters 204 (Rated)

Triangles, Drawing Chances, Episodes

Starters 206 (Rated)

Remaining Money, Expensive Buying

Starters 207 (Rated)

Gambling

Starters 208 (Rated)

Spring Cleaning, Alternate Jumps

Monday Munch - DSA Challenge 03

Find maximum in an Array

Monday Munch - DSA Challenge 05

Largest Common Element in Two Arrays, Vowels or Not

Monday Munch - DSA Challenge 06

Single number in multiple numbers, What is your grade

Monday Munch - DSA Challenge 07

Kth missing positive, Is that a century

Monday Munch - DSA Challenge 08

Odd or even

Starters 209 (Rated)

Bitcoin Market

Starters 210 (Rated)

Notebook Counting

Starters 211 (Rated)

Fuel Check

Monday Munch - DSA Challenge 10

Odd Sum Pair, How much you lack

Monday Munch - DSA Challenge 11

What is the square

Starters 212 (Rated)

Basketball Score, Signal

Starters 213 (Rated)

Exun and the Pizzas, EXML Race

Starters 214 (Unrated)

Dice Play, Chef and Close Friends

Monday Munch - DSA Challenge 12

Color Sorting Challenge, Make 2 digits

Starters 215 (Rated)

Gem Bundles, Competition of 4

Starters 216 (Rated)

Scoring, Best Seats, Entertainments

Monday Munch - DSA Challenge 13

Cost of Groceries, Less than 10

Monday Munch - DSA Challenge 14

Complete the resolution

Starters 217 (Rated)

Playing with Toys, Add to make Positive, Add 1 or 3

Starters 218 (Rated)

Christmas Trees, Coloured Balloons, Stop The Count

Starters 219 (Rated)

Pizza Comparision, Cake Baking

Monday Munch - DSA Challenge 15

Remove Outermost Parentheses, Christmas visits

Starters 220 (Rated)

New Year Resolution, Front-Back Matching, Movie Hype

Starters 221 (Rated)

Protein Diet, Odd String, Winter is Coming

Starters 222 (Rated)

Candy Types, Layered Cake, Popcorn Buying

Starters 223 (Unrated)

School Trip, Cashback, Adding 123 to 4

Starters 224 (Rated)

The Coding Streak, Qualified or Not, AabBcCDd

Starters 225 (Rated)

Maximum Score, Payment Scheme, All Even

Starters 226

Sub A Add B, Rush to Exam, IceCream Cones

Starters 227 (Rated)

Fonta, Bank Glitch

Starters 228 (Rated)

Balloon Splash, Color Festival

Starters 229 (Rated)

Vacation Excitement, Sequential Clamp, All Zero

Starters 230 (Rated)

Reselling Items, Passing Exams, Equal Buying

Starters 231 (Rated)

Snaky Strings, Imperfect Numbers, Double Discount

Starters 232 (Rated)

Moderate Temperatures, Vacation Clothes, Equal Difference

Starters 233 (Rated)

K Median, Movie, Cake Discount

Starters 234 (Rated)

Bakery Problem, Cooler, Non-Negative Sum

Starters 235 (Rated)

Contest Registration Fee, Balanced Positions in a Permutation, Recover Palindrome

Starters 236 (Rated)

Extra Guests, Cute Substrings, Palindrome Check

Starters 237 (Rated)

Election, Make Triangle, DIividing Candies

Total Problems Solved: 467

1321
(Div 4)
★
CodeChef Rating (Highest Rating 1338)
  • 60193 Global Rank
  • 56713 Country Rank
0?i Provisional Rating, click to know more
DSA Rating (Highest Rating 0)
  • Inactive Global Rank
  • Inactive Country Rank

Badges

Daily Streak - Diamond Badge

Daily Streak - Diamond Badge

Received for maintaining a streak of 100 days

Contest Contender - Silver Badge

Contest Contender - Silver Badge

Received for participating in 25 Contests

Problem Solver - Silver Badge

Problem Solver - Silver Badge

Received for solving 250 Problems

Certificates

500 difficulty rating

Issued October 2025

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