delete unnecessary code

Signed-off-by: amineorion <amineorion@gmail.com>
add Comparable and do the others fixes

Signed-off-by: amineorion <amineorion@gmail.com>
fix formatting and fix some errors

Signed-off-by: amineorion <amineorion@gmail.com>
add headers

Signed-off-by: amineorion <amineorion@gmail.com>
remove trailing whitespaces

Signed-off-by: amineorion <amineorion@gmail.com>
latest fixes

Signed-off-by: amineorion <amineorion@gmail.com>
Merge branch 'rosetta-code' of https://github.com/amineorion/nit into rosetta-code