Competitive Programming

Websites problems provider

Codeforces (Solutions here)
- Estruturas de Dados 1
- Estruturas de Dados 2
- Contests Abertos
- Programação para competição
- Tópicos Especiais de Programação
- Maratonas DF
atCoder (Solutions here)
- Begginer Contest #50
- Begginer Contest #51
- Begginer Contest #109
- Begginer Contest #124
URI Online Judge (Solutions here)
UVa Online Judge (Solutions here)

Languages used

C++
Python

Cool Tips (Direct Access)

Fenwick Trees
Sieve of Atkins - Crivo de Atkins
Sieve of Eratosthenes - Crivo de Erastótenes
Basic tips

Interesting Links

https://codeforces.com/blog/entry/13529

Pending problems

atCoder Begginer Contest 50 - C
atCoder Begginer Contest 51 - B

Pending content

Sieve of Eratosthenes
Sieve of Atkin
Fenwick trees

Main reference found at: https://github.com/edsomjr/TEP