2 files changed, 16 insertions(+), 7 deletions(-)

M README.md
M day04/day04.krk

@@ 12,6 12,7 @@ Languages used
 --------------
 
 - [C11](https://en.wikipedia.org/wiki/C11)
+- [Kuroko](https://kuroko-lang.github.io) (version 1.3.0)
 - [Lua](https://www.lua.org/) (version 5.4)
 - [Python](https://python.org) (version 3.10, most programs probably work all
   the way down to version 3.6)

@@ 2,14 2,22 @@
 
 from fileio import stdin
 
-let count = 0
+def parse_line(line):
+    let l, r = line.strip().split(",")
+    let ll, lr = map(int, l.split("-"))
+    let rl, rr = map(int, r.split("-"))
+    return set(range(ll, lr + 1)), set(range(rl, rr + 1))
+
+let count1, count2 = 0, 0
 
 for line in stdin.readlines():
-    let a, b = line.strip().split(",")
-    let al, ar = map(int, a.split("-"))
-    let bl, br = map(int, b.split("-"))
+    let l, r = parse_line(line)
+    let c = l & r
 
-    if (al <= bl and br <= ar) or (bl <= al and ar <= br):
-        count += 1
+    if c == l or c == r:
+        count1 += 1
+    if len(c) > 0:
+        count2 += 1
 
-print(count)
+print("Part 1:", count1)
+print("Part 2:", count2)