Create a new repo.
Add descriptions.
submit 001.
Delete .subsum_spec.rb.swp
Delete .subsum.rb.swp
Update .gitignore for vim.
add README.md
001_partial_sumのjava回答をコミットします。
※JUnitによるテストコードは作成中です。
Add 003_maze.
Modify.
Save.
Solve 002
Modify to be more simple by reference to the model answer.
Modify README.md of 003
Solve 003.
Add 004.
Modify typo.
Solve 002 @ java
Solve 003 @ java
Rename 001, 002
Solve 004