add challenges section
authorLuke Kenneth Casson Leighton <lkcl@lkcl.net>
Mon, 23 Sep 2019 08:28:06 +0000 (09:28 +0100)
committerLuke Kenneth Casson Leighton <lkcl@lkcl.net>
Mon, 23 Sep 2019 08:28:06 +0000 (09:28 +0100)
commit5e7877b3300998bb6e0b9e0329baba333d9077f7
tree99fff092269050647d4bc83aeff1311d59075f3f
parent5ef2c9cc6c41f428aabe3670e394fa444b275e40
add challenges section
nlnet_2019_gcc.mdwn