day 2 - original solution
This commit is contained in:
parent
35e42e74ac
commit
3c74beb814
|
@ -0,0 +1,32 @@
|
||||||
|
#!/bin/sh
|
||||||
|
set -eu
|
||||||
|
|
||||||
|
# "oneline" versions follow each function
|
||||||
|
|
||||||
|
part1() {
|
||||||
|
# 3,1 6,2 0,3 0,1 3,2 6,3 6,1 0,2 3,3
|
||||||
|
set -- 4 8 3 1 5 9 7 2 6
|
||||||
|
sort 02_input | uniq -c | awk '{print $1}' | while read l; do
|
||||||
|
printf "$l" | sed s/$/*$1+/ # if you go for the less magic-numbery version you can do sed "s/$/*(${1%,*}+${1#*,})/"
|
||||||
|
shift
|
||||||
|
done | sed s/+$/\\n/ | bc
|
||||||
|
}
|
||||||
|
# set -- 4 8 3 1 5 9 7 2 6; sort 02_input | uniq -c | awk '{print $1}' | while read l; do printf "$l" | sed s/$/*$1+/; shift; done | sed s/+$/\\n/ | bc
|
||||||
|
|
||||||
|
part2() {
|
||||||
|
# 0,3 3,1 6,2 0,1 3,2 6,3 0,2 3,3 6,1
|
||||||
|
set -- 3 4 8 1 5 9 2 6 7
|
||||||
|
sort 02_input | uniq -c | awk '{print $1}' | while read l; do
|
||||||
|
printf "$l" | sed s/$/*$1+/ # same comment as before
|
||||||
|
shift
|
||||||
|
done | sed s/+$/\\n/ | bc
|
||||||
|
}
|
||||||
|
# set -- 3 4 8 1 5 9 2 6 7; sort 02_input | uniq -c | awk '{print $1}' | while read l; do printf "$l" | sed s/$/*$1+/; shift; done | sed s/+$/\\n/ | bc
|
||||||
|
|
||||||
|
while getopts :12 OPT; do
|
||||||
|
case $OPT in
|
||||||
|
1) part1 && exit 0 ;;
|
||||||
|
2) part2 && exit 0 ;;
|
||||||
|
*) echo "bad option" 1>&2; exit 1 ;;
|
||||||
|
esac
|
||||||
|
done
|
Loading…
Reference in New Issue