tadd day 4 part 1 - aoc22 - advent of code 2022 solutions
(HTM) git clone git://src.adamsgaard.dk/aoc22
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(DIR) Files
(DIR) Refs
(DIR) README
---
(DIR) commit 0bc85c36d6e35b7a76c5c9217cb56b82118736ec
(DIR) parent 1507978f5cbd50e4aa85be9532a9b0555d5148e5
(HTM) Author: Anders Damsgaard <anders@adamsgaard.dk>
Date: Sun, 4 Dec 2022 07:53:38 +0000
add day 4 part 1
Diffstat:
A 4/aoc4 | 10 ++++++++++
A 4/input | 1000 +++++++++++++++++++++++++++++++
A 4/mkfile | 7 +++++++
A 4/testinput | 6 ++++++
4 files changed, 1023 insertions(+), 0 deletions(-)
---
(DIR) diff --git a/4/aoc4 b/4/aoc4
t@@ -0,0 +1,10 @@
+#!/bin/awk -f
+BEGIN{ FS="," }
+{
+ if (split($1, a, "-") != 2 || split($2, b, "-") != 2)
+ printf("split error: %s", $0)
+ if ((a[1] >= b[1] && a[2] <= b[2]) ||
+ (a[1] <= b[1] && a[2] >= b[2]))
+ sum++
+}
+END{ print sum }
(DIR) diff --git a/4/input b/4/input
t@@ -0,0 +1,1000 @@
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(DIR) diff --git a/4/mkfile b/4/mkfile
t@@ -0,0 +1,7 @@
+run:V:
+ ./aoc4 <input
+
+test:V:
+ # correct result: 2
+ # pair 4 and 5 are fully contained
+ ./aoc4 <testinput
(DIR) diff --git a/4/testinput b/4/testinput
t@@ -0,0 +1,6 @@
+2-4,6-8
+2-3,4-5
+5-7,7-9
+2-8,3-7
+6-6,4-6
+2-6,4-8