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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.

Career Paths

From beginner to job-ready. Explore our curated career paths designed to help you succeed in the tech industry.

Other Courses

Programming and DSA

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Catalogue

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 » Maddinedi Purna Chandrika
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Maddinedi Purna Chandrika

Gold League Gold League
  • 2★vvit25bq5a4219
  •   India
  • Student
  • Vasireddy Venkatadri Institute of Technology, Nambur Guntur, Andhra Pradesh, India
  • View Details

Submissions Heat Map

Rating Graph

No. of Contests Participated: 22
1526 (+72)RatingProvisional
Rating i Provisional Rating, click to know more
Starters 247 (Rated)(2026-07-15 22:04:00)
Global Rank:   127
Cheated in:   

Ratings System Update

(2026-07-15 22:04:00)
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NA? (+NA)RatingProvisional
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None(None)
Global Rank:   0
Cheated in:   

Ratings System Update

(None)
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DSA Rating Graph

No. of DSA Contests Participated: 3
1694? (+354)RatingProvisional
Rating i Provisional Rating, click to know more
Monday Munch - DSA Challenge 009 (Rated)(2026-06-29 22:00:00)
Global Rank:   124
Cheated in:   

Ratings System Update

(2026-06-29 22:00:00)
This is the difference due to changing the rating system.This graph is not updated after 20th Dec 2022. Know more
How the rating system works?

Learning Paths (4)

learn-icon

Git/Github

Completed

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UX for Web developers

Completed

learn-icon

CSS

Completed

learn-icon

HTML

Completed

Practice Paths (9)

learn-icon

Projects using HTML / CSS

47%
learn-icon

SQL Practice Queries

96%
learn-icon

Practice Strings

44%
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Practice Basic Math

Completed

learn-icon

Practice Arrays

32%
learn-icon

500 to 1000 difficulty problems

94%
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Practice Java

Completed

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500 difficulty rating

Completed

learn-icon

Monday Munch - DSA Challenge practice series

3%

College Paths (1)

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Learn Java Programming

Completed

Contests (22)

Starters 225 (Rated)

Maximum Score, Payment Scheme, All Even

Starters 226

Max Minus Min, Sub A Add B, Rush to Exam, IceCream Cones

Starters 227 (Rated)

Erase and Maximize, Buying Tickets, Fonta, Bank Glitch

Starters 228 (Rated)

Balloon Splash, Min And Operations, Max And Operations, Color Festival, Balloon Smash Party

Starters 229 (Rated)

Vacation Excitement, Sequential Clamp, All Zero

Starters 230 (Rated)

Sum of Second Max, Sets Diff by K, Reselling Items, Passing Exams

Starters 231 (Rated)

Imperfect Numbers, Double Discount

Monday Munch - DSA Challenge 27

Alternating Array

Weekend Dev Challenge 40: Linux & Shell Scripting Challenges

Secure Log Vault Setup

Monday Munch - DSA Challenge 29

Detect Start of Cycle in Linked List, Linked List Increment, Chef Finds Single Number, Find the Two Unique Numbers, Chef Finds Next Greater Element, Chef Calculates Subarray Minimums

Starters 232 (Rated)

Food Resources, Sortable Subarrays, Max Size, Alternating Sum, Set Size, Moderate Temperatures, Vacation Clothes, Equal Difference

Starters 233 (Rated)

AB or C, K Median, Movie

Starters 234 (Rated)

Non-Negative Sum

Weekend Dev Challenge 41: DevOps

Challenge 1 - Foundation IAM Provisioner, Challenge 2 - Bulk Resource Scaling, Challenge 3 - Multi-Environment Storage Allocator,  Challenge 4 - Cloud Asset Uploader, Challenge 5 - NoSQL Schema Provisioner

Monday Munch - DSA Challenge 30

Find the insert position

Weekend Dev Challenge 42: DevOps

Challenge 1 - Enterprise Workspace Provisioner

Starters 236 (Rated)

Cute Substrings, Palindrome Check

Monday Munch - DSA Challenge 31

Maximum Path Sum in a Binary Tree

Weekend Dev Challenge 43: DevOps

Challenge 2 - Dynamic Security Group Provisioner

Weekend Dev Challenge 44: Cybersecurity

Challenge 1 - SQL Injection Firewall

Monday Munch - DSA Challenge 33

Subarray Sum equals k

Weekend Dev Challenge 46: Cybersecurity

Challenge 1 - Historical Cipher Decryption

Weekend Dev Challenge 48: Golang Projects

Cloud Budget Estimator

Starters 237 (Rated)

Election, Final Element, Make Triangle, DIividing Candies

Starters 238 (Rated)

Cricket Nets, WEC-REC

Starters 239 (Rated)

Magic Mirror, Easy Speaking, Beginnings and Endings

Starters 240 (Rated)

Partition, Counting Characters , Points Table, Comfortable Seating, Counting LCM (Easy), Binary Smile

Starters 241 (Rated)

Sum Reduction, Even Sum, No 3 Equal

Monday Munch - DSA Challenge 002 (Rated)

Largest Odd Substring, Shortest Palindrome, Floor and Ceil in a Binary Search Tree, Chef Builds Subsets, Is the i-th bit set, Chef need runs

Weekend Dev Challenge 50: Golang Projects

Payment Processor System, LogLens - Server Log Analyzer

Starters 242 (Rated)

Early Certificates, Draft Picks

Starters 243 (Rated)

Interesting Match, Starved for Seating, OR Operations

Starters 244 (Rated)

Tree Swapping (Easy), AND OR Conversion 1, Carrot Collection, Passing Chain, AND OR Conversion 2, Dividing by 2

Starters 245 (Rated)

Cooling Conundrum, Triple Threat, Equivalent Exchange

Monday Munch - DSA Challenge 004 (Rated)

Mountain Peak

Starters 246 (Rated)

Waiting (Easy), Red Yellow Cards, Plant

Starters 247 (Rated)

Red Blue Swaps, Fair Flipping (Easy), Substring Shift, Conveyor Belt, Alternating Array

Monday Munch - DSA Challenge 009 (Rated)

Rotting Apples, Leader of an Array, CodeChef XP, Least Common Anagram, Table Partitioning

Weekend Dev Challenge 57: LLD Projects

Tic-Tac-Toe Game , Tic-Tac-Toe Game, Tic-Tac-Toe Game

Total Problems Solved: 1743

1526
(Div 3)
★★
CodeChef Rating (Highest Rating 1643)
  • 23069 Global Rank
  • 21414 Country Rank
1694?i Provisional Rating, click to know more
DSA Rating (Highest Rating 1694)
  • 634 Global Rank
  • 609 Country Rank

Skill tests

87%

Skill-test: Operating systems

Attempted on February 2026
83%

Python Skill test

Attempted on April 2026
View skill tests

Badges

Problem Solver - Diamond Badge

Problem Solver - Diamond Badge

Received for solving 1000 Problems

Daily Streak - Diamond Badge

Daily Streak - Diamond Badge

Received for maintaining a streak of 100 days

Contest Contender - Bronze Badge

Contest Contender - Bronze Badge

Received for participating in 5 Contests

Recent Activity

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