Add 2024 day 3 solutions

3 files changed, 22 insertions, 0 deletions

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\ No newline at end of file
diff --git a/2024/03/puzzle-1.sh b/2024/03/puzzle-1.sh
new file mode 100755
index 0000000..c0f2f38
--- /dev/null
+++ b/2024/03/puzzle-1.sh
@@ -0,0 +1,7 @@
+#!/bin/sh
+
+grep -Eo 'mul\([0-9]+,[0-9]+\)' input \
+| awk 'BEGIN { FPAT = "[0-9]+" }
+             { x += $1 * $2 }
+       END   { print x }
+'
\ No newline at end of file
diff --git a/2024/03/puzzle-2.sh b/2024/03/puzzle-2.sh
new file mode 100755
index 0000000..cc8e677
--- /dev/null
+++ b/2024/03/puzzle-2.sh
@@ -0,0 +1,9 @@
+#!/bin/sh
+
+grep -Eo "(mul\\([0-9]+,[0-9]+\\)|do(n't)?\(\))" input \
+| awk 'BEGIN        { FPAT = "[0-9]+"; go = 1 }
+       /do\(/       { go = 1 }
+       /don/        { go = 0 }
+       /mul/ && go  { x += $1 * $2 }
+       END          { print x }
+'
\ No newline at end of file