🚀 HackerRank Solutions

Repositório com as minhas soluções para os desafios do HackerRank, organizadas por linguagem e nível de dificuldade.
O objetivo é praticar Python, SQL e Problem Solving.

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🌐 Meu Perfil no HackerRank

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📂 Estrutura do Repositório

hackerrank-solutions/
│
├── python/
│   ├── easy/
│   └── medium/
│
├── problem-solving/
│   ├── easy/
│   └── medium/
│
└── sql/
    └── basic_select/

🏅 Badges HackerRank

🏆 HackerRank: Python 5⭐ | Problem Solving 3⭐ | SQL 1⭐

📌 Exemplo de Desafio (Python - medium)

# Problem: Time Delta
# Link: https://www.hackerrank.com/challenges/python-time-delta/problem

from datetime import datetime

t1 = 'Sat 02 May 2015 19:54:36 +0530'
t2 = 'Fri 01 May 2015 13:54:36 -0000'

dat1 = datetime.strptime(t1, "%a %d %b %Y %H:%M:%S %z")
dat2 = datetime.strptime(t2, "%a %d %b %Y %H:%M:%S %z")

diferenca = dat1 - dat2
total = abs(diferenca.total_seconds())

print(int(total))

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📌 Exemplo de Desafio (Problem Solving - easy)

# Problem: Birthday Cake Candles
# Link: https://www.hackerrank.com/challenges/birthday-cake-candles/problem

def birthdayCakeCandles(candles):
    maximo = max(candles)
    cont = 0
    for i in candles:
        if i == maximo:
            cont += 1
    return cont

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📌 Exemplo de Desafio (SQL - basic select)

-- Problem: Revising the Select Query I
-- Link: https://www.hackerrank.com/challenges/revising-the-select-query/problem

SELECT *
FROM city
WHERE countrycode = 'USA'
AND population > 100000