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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

Explore courses

Catalogue

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.

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Home » Siddhartha Chatterjee
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Siddhartha Chatterjee

Diamond League Diamond League
  • 3★chatterjee_sid
  •   India
  • Student
  • Sardar Vallabhbhai National Institute of Technology, Surat Gujarat, India
  • View Details

Submissions Heat Map

Rating Graph

No. of Contests Participated: 33
1632 (-48)RatingProvisional
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Starters 220 (Rated)(2026-01-07 22:00:02)
Global Rank:   812
Cheated in:   

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Learning Paths (50)

learn-icon

Build with Flask: Web Development for Beginners

84%
learn-icon

Back-end development using Node JS

59%
learn-icon

Learn Go

43%
learn-icon

Machine Learning

90%
learn-icon

Git/Github

65%
learn-icon

Learn SQL

Completed

learn-icon

CSS Intermediate

Completed

learn-icon

Learn Java

Completed

learn-icon

Operating System

Completed

learn-icon

Learn React JS for Front-end development

Completed

learn-icon

Beginner DSA in Python

Completed

learn-icon

Learn JavaScript

Completed

learn-icon

Learn HTML / CSS

55%
learn-icon

Learn Python Programming

Completed

learn-icon

Number theory

Completed

learn-icon

Bit Manipulation

Completed

learn-icon

Heaps

Completed

learn-icon

Graphs

Completed

learn-icon

Trees and Binary trees

80%
learn-icon

Learn NumPy - Practice Problems and Challenges

Completed

learn-icon

Combinatorics

Completed

learn-icon

OOPs Concepts in Python

Completed

learn-icon

Advanced Python

Completed

learn-icon

Recursion

28%
learn-icon

Binary Search

90%
learn-icon

Problem solving in C

Completed

learn-icon

C++ STL - Standard template library

Completed

learn-icon

OOPs concepts in C++

82%
learn-icon

UX for Web developers

Completed

learn-icon

Dynamic programming

Completed

learn-icon

Learn Procedural SQL

47%
learn-icon

Greedy Algorithms

Completed

learn-icon

Searching and Sorting Algorithms

Completed

learn-icon

Time complexity

Completed

learn-icon

Learn PHP

Completed

learn-icon

Learn Rust

46%
learn-icon

Learn C#

1%
learn-icon

Beginner DSA in Kotlin

Completed

learn-icon

Logic Building in Kotlin

Completed

learn-icon

Learn Kotlin

Completed

learn-icon

Learn R Programming

Completed

learn-icon

Stacks and Queues

Completed

learn-icon

Learn Pandas - Practice Problems and Challenges

55%
learn-icon

Linked Lists

Completed

learn-icon

Learn Advanced SQL

30%
learn-icon

Problem solving in Python

Completed

learn-icon

Data Structures using C++

90%
learn-icon

C++ Problem Solving

Completed

learn-icon

Beginner DSA in C++

Completed

learn-icon

Learn C++

55%

Practice Paths (32)

learn-icon

Html/CSS/JS Projects

7%
learn-icon

Monday Munch - DSA Challenge practice series

11%
learn-icon

Practice Java

Completed

learn-icon

Practice Strings

53%
learn-icon

Prepare for ICPC - Past Year Problems

1%
learn-icon

React Interview Questions

24%
learn-icon

Practice C++

20%
learn-icon

Javascript Projects for Beginners

54%
learn-icon

Python Projects for Beginners

58%
learn-icon

2D Array / Matrices

Completed

learn-icon

Intermediate-level projects using Python

90%
learn-icon

Prefix Sum Problems

57%
learn-icon

Two Pointers and Sliding Window Technique

90%
learn-icon

Stacks and Queues

67%
learn-icon

Linked Lists

56%
learn-icon

Projects for Beginners in C

50%
learn-icon

Jump from 2* to 3*

42%
learn-icon

1400 to 1600 difficulty problems

Completed

learn-icon

Practice PHP

Completed

learn-icon

Practice C

Completed

learn-icon

Practice JavaScript

Completed

learn-icon

SQL Practice Queries

70%
learn-icon

Practice Sorting

Completed

learn-icon

Practice Arrays

45%
learn-icon

Practice Basic Math

Completed

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Practice Python

Completed

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1000 to 1400 difficulty problems

Completed

learn-icon

Level up from 1* to 2*

Completed

learn-icon

500 to 1000 difficulty problems

Completed

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500 difficulty rating

Completed

learn-icon

Practice for ZCO and INOI

1%
learn-icon

Projects using HTML / CSS

34%

College Paths (1)

learn-icon

DBMS course

Completed

Contests (33)

Starters 114 Division 4 (Rated)

Painting Walls, Christmas Greetings

Starters 115 Division 4 (Rated)

A PLUS B Remastered, Decorating Christmas Tree, Chocolate Distribution, Codechef Round

Starters 116 Division 4 (Rated)

Hattrick, ORST , Minimum Wage, Access Control

Starters 117 Division 4 (Rated)

Yearly Phone

Starters 118 Division 4 (Rated)

Literacy Rate, International Education Day!, Join States

Starters 119 Division 4 (Rated)

Advitiya, Judged, Cookie Day, Another Good String

Starters 120 Division 4 (Rated)

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

Starters 121 Division 3 (Rated)

Frequal, Caesar Cipher Lite, Leg Space, Anti Adjacent Swaps, The Man Code

Starters 122 Division 3 (Rated)

Problem Reviews, Arya In Grid, Transformation Cost, Man of the Match

Starters 124 Division 3 (Rated)

Binary Parity, Table Strength, Summer Time, Cricket Tournament

Starters 125 Division 3 (Rated)

Overspeeding, 50-50 Rule, Fake Certificate

Starters 126 Division 3 (Rated)

AC Please, Dice Game 3, Sale, Permutation Disturbance

Starters 127 Division 3

The Ides of March, Superincreasing, Extreme Basketball, Anti-Triangle

Starters 128 Division 3 (Rated)

Binary Substring, Moody Chef, MEXimize the Array, Disjoint Non-Decreasing Array, Reach 5 Star

Starters 132 Division 2 (Rated)

GAME 11

Starters 134 Division 2 (Rated)

Origin, Morning Run, Money Double, Rock Paper Scissors

Starters 135 Division 2 (Rated)

Invert And Equalize, Change A to B, Football Ties, RCB vs CSK

Starters 136 Division 2 ( Rated )

Who Makes P1, My First Geometry Problem

Starters 139 Division 2 (Rated)

Maximum Distance Permutations, Destroying Bridges Part 2

Starters 148 Division 2 (Rated)

FightBots

Starters 149 (Rated)

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

Starters 156 (Rated)

Partition Score, Sweets Shop, Long Queue, Even Numbers Hate

Starters 158 (Rated)

Largest Subsequence, XOR Smaller, Multiply 2 to Minimize, Diwali Discount, Even vs Odd Divisors

Starters 159 (Rated)

Crafty Coloring (Easy), Icecream and Cone, Super Hero, Chess Colouring, Elections, Card Game

Starters 168 (Rated)

No Two Alike, Make Odd

Starters 187 (Rated)

OR What

Starters 188 (Rated)

K Boxes, Yet Another Monsters Problem, Subset Sum 3

Starters 189 (Rated)

Nutrition Cost, Create Binary String, Distinct 2 Subarray, Avoid Primes

Starters 191 (Rated)

Grid Path (Easy), Add to get GCD, Permuted Greater than 2

Starters 195 (Rated)

String Deletions, Marble Collector

Monday Munch - DSA Challenge 09

AND Plus OR, Print Pattern, Largest Subarray with Sum 0, Is the number divisible by 5

Starters 218 (Rated)

Collatz Conjecture (Hard), Collatz Conjecture (Easy), Deleting Array Again, Counting Optimal Arrays, Christmas Trees, Coloured Balloons, Stop The Count

Weekend Dev Challenge 30: SQL Projects

Smart Hiring Analytics System Project, Online Food Delivery Performance Analytics Project, Challenge 1 - Academic Email Directory, Challenge 2 - Monthly Revenue Snapshot, Challenge 3 - Customer Order Summary, Challenge 4 - Monthly Power Buyers Rankings

Weekend Dev Challenge 31: Data Analysis & Visualization Projects

Exam Marks Statistics Project

Total Problems Solved: 6953

1632
(Div 2)
★★★
CodeChef Rating (Highest Rating 1698)
  • 13981 Global Rank
  • 12551 Country Rank

Skill tests

97%

Python Skill test

Attempted on June 2024
97%

JavaScript Skill test

Attempted on June 2025
100%

Getting started with Java

Attempted on August 2025
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 - Silver Badge

Contest Contender - Silver Badge

Received for participating in 25 Contests

Certificates

Practice Java

Issued December 2025

View

Learn Java

Issued December 2025

View

Operating System

Issued December 2025

View
View All 60 Certificates

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