Day 4 - aoc22 - 2022 Advent of Code
(HTM) git clone https://git.parazyd.org/aoc22
(DIR) Log
(DIR) Files
(DIR) Refs
---
(DIR) commit 37566aec0e75bf59fd1b183a6b5c214e3a3a9af9
(DIR) parent 54494bb55617dcfd6aaa8c144fdabcfbb7e0374a
(HTM) Author: parazyd <parazyd@dyne.org>
Date: Sun, 4 Dec 2022 14:59:48 +0100
Day 4
Diffstat:
A 04/01.sh | 25 +++++++++++++++++++++++++
A 04/02.sh | 35 +++++++++++++++++++++++++++++++
A 04/input | 1000 +++++++++++++++++++++++++++++++
3 files changed, 1060 insertions(+), 0 deletions(-)
---
(DIR) diff --git a/04/01.sh b/04/01.sh
@@ -0,0 +1,25 @@
+#!/bin/sh
+
+common=0
+
+while read -r line; do
+ range0="${line%,*}"
+ min0="${range0%-*}"
+ max0="${range0#*-}"
+
+ range1="${line#*,}"
+ min1="${range1%-*}"
+ max1="${range1#*-}"
+
+ if [ "$min0" -le "$min1" ] && [ "$max0" -ge "$max1" ]; then
+ common="$(( common + 1 ))"
+ continue
+ fi
+
+ if [ "$min0" -ge "$min1" ] && [ "$max0" -le "$max1" ]; then
+ common="$(( common + 1 ))"
+ continue
+ fi
+done
+
+echo "$common"
(DIR) diff --git a/04/02.sh b/04/02.sh
@@ -0,0 +1,35 @@
+#!/bin/sh
+
+common=0
+
+while read -r line; do
+ range0="${line%,*}"
+ min0="${range0%-*}"
+ max0="${range0#*-}"
+
+ range1="${line#*,}"
+ min1="${range1%-*}"
+ max1="${range1#*-}"
+
+ if [ "$min1" -ge "$min0" ] && [ "$min1" -le "$max0" ]; then
+ common="$(( common + 1 ))"
+ continue
+ fi
+
+ if [ "$max1" -ge "$min0" ] && [ "$max1" -le "$max0" ]; then
+ common="$(( common + 1 ))"
+ continue
+ fi
+
+ if [ "$min0" -ge "$min1" ] && [ "$min0" -le "$max1" ]; then
+ common="$(( common + 1 ))"
+ continue
+ fi
+
+ if [ "$max0" -ge "$min1" ] && [ "$max0" -le "$max1" ]; then
+ common="$(( common + 1 ))"
+ continue
+ fi
+done
+
+echo "$common"
(DIR) diff --git a/04/input b/04/input
@@ -0,0 +1,1000 @@
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