/2020/

• ../
• day01-1.sh
• day01-2.sh
• day02.c
• day03.c
• day04-1.sh
• day04-2.sh
• day05.c
• day06.c
• day07.c
• day08.c
• day09.c
• day10.c
• day11.c
• day12.c
• day13.c
• day14.c
• day15.c
• day16.c
• day17.c
• day18-2.sh
• day18.c