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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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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 » Juan Esteban Lopez Aranzazu
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Juan Esteban Lopez Aranzazu

Gold League Gold League
  • 2★juanlopezaranz
  •   Colombia
  • Student
  • Universidad del Valle, Colombia
  • No Active Plan. View Details

Submissions Heat Map

Rating Graph

No. of Contests Participated: 6
1425 (-69)RatingProvisional
Rating i Provisional Rating, click to know more
Starters 188 (Rated)(2025-05-28 22:00:04)
Global Rank:   2372
Cheated in:   

Ratings System Update

(2025-05-28 22:00:04)
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None(None)
Global Rank:   0
Cheated in:   

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Learning Paths (20)

learn-icon

Learn React JS for Front-end development

6%
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Learn Java

23%
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Learn PHP

3%
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Git/Github

Completed

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Back-end development using Node JS

10%
learn-icon

Learn Advance Java

25%
learn-icon

Learn SQL

65%
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Learn Rust

23%
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Recursion

7%
learn-icon

Arrays

Completed

learn-icon

Build with Django: Web Development for Beginners

Completed

learn-icon

Learn Go

24%
learn-icon

Learn JavaScript

13%
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JavaScript Problem solving

34%
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Trees and Binary trees

14%
learn-icon

Linked Lists

44%
learn-icon

C++ Problem Solving

59%
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Learn C++

27%
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Problem solving in Python

64%
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Learn Java (Older version)

38%

Practice Paths (15)

learn-icon

Practice Strings

42%
learn-icon

Arrays, Strings & Sorting

10%
learn-icon

2D Array / Matrices

9%
learn-icon

SQL Practice Queries

35%
learn-icon

Practice Python

17%
learn-icon

Python Projects for Beginners

19%
learn-icon

1000 to 1400 difficulty problems

4%
learn-icon

Level up from 1* to 2*

41%
learn-icon

Practice JavaScript

22%
learn-icon

500 to 1000 difficulty problems

8%
learn-icon

Java Projects for Beginners

0%
learn-icon

Practice Arrays

35%
learn-icon

Practice for ZCO and INOI

7%
learn-icon

Jump from 2* to 3*

1%
learn-icon

Data Structures Interview Questions

7%

Contests (6)

Starters 95 Division 4 (Rated)

Donation Rewards, Donation Drive

Starters 96 Division 4 (Rated)

Bells of Pilgrimage, Remove Multiples, AB Difference, 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 4 (Rated)

Endless Appetizers, Exclusion-Inclusion, Puzzle Hunt, Card Swipe

Starters 188 (Rated)

Red and Blue Gems, Subset Sum 3, Train Even or Odd

Weekend Dev Challenge 01

Project 2 - To do list - Toggle Tasks, Project 1 - Code Breaker Challenge problem 3, Project 1 - Code Breaker Challenge problem 2, Project 1 - Code Breaker Challenge problem 1, Project 2 - To do list - Add task, Project 2 - To do list - List and Delete Task

Weekend Dev Challenge 02

The Secure Entry - User Authentication Module, The Ballot Box - Voting Module, RCV Vote Counter - 2, RCV Vote Counter - 3, RCV Vote Counter - 1

Weekend Dev Challenge 03

Django Job Form, Job Application Tracker - 2, Job Application Tracker - 1

Weekend Dev Challenge 04: Projects in Python & Flask

LinkedIn QR Code Generator, Add Download and Navigation Functionality, QRverse- Component 1 Text QR Code Generator, QRverse- Component 2 UPI QR Code Generator

Weekend Dev Challenge 05: JavaScript Projects

Snake Game - 6, Snake Game - 5, Snake Game - 4, Snake Game - 2, Snake Game - 1, Split Your Bill - 1, Snake Game - 3

Weekend Dev Challenge 06: JavaScript Projects

Weather App - 1, Weather App - 2, FLAPPY BIRD -1 , FLAPPY BIRD - 2, FLAPPY BIRD - 3, FLAPPY BIRD - 4

Weekend Dev Challenge 07: React Projects

Weather App - 2, FLAPPY BIRD - 3, FLAPPY BIRD - 2, FLAPPY BIRD -1 , Weather App - 1

Weekend Dev Challenge 08: React Projects

Tab Switch, Live crypto update, Improve your aim, Switch the theme, Fix the render

Weekend Dev Challenge 09: ML Projects

Preprocessing Dataset - Loan Approval, Clean the Bangalore House Price Dataset, Bangalore House Price Prediction Project, Data Exploration and Analysis - Loan Approval, Train Logistic Regression Model - Loan Approval

Weekend Dev Challenge 29: SQL Projects

HealthPulse Dashboard Project, Product Usage Analytics Project, Challenge 2 - Top Rated Movies, Challenge 1 - Daily Order Count, Challenge 3 - Top Selling Products Per Category, Challenge 4 - Customer Purchase Gaps

Weekend Dev Challenge 30: SQL Projects

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

Weekend Dev Challenge 32: Data Analysis & Visualization Projects

Weekly Fitness Progress Analyzer Project, Course Enrollment Data Cleaner Project, YouTube Content Strategy Analyzer Project, Weather & Climate Pattern Explorer Project, Customer Purchase Insights Project, Global Salary Index Analyzer Project

Total Problems Solved: 2004

1425
(Div 3)
★★
CodeChef Rating (Highest Rating 1494)
  • 39002 Global Rank
  • 4 Country Rank

Skill tests

80%

Python Skill test

Attempted on June 2024
87%

Java Skill test

Attempted on May 2025
93%

SQL Skill Test

Attempted on May 2025
View skill tests

Badges

Problem Solver - Diamond Badge

Problem Solver - Diamond Badge

Received for solving 1000 Problems

Contest Contender - Bronze Badge

Contest Contender - Bronze Badge

Received for participating in 5 Contests

Daily Streak - Silver Badge

Daily Streak - Silver Badge

Received for maintaining a streak of 25 days

Certificates

Git/Github

Issued January 2026

View

Arrays

Issued July 2025

View

Web development using JavaScript

Issued July 2025

View
View All 9 Certificates

Recent Activity

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