diff options
Diffstat (limited to '04/2.lua')
| -rw-r--r-- | 04/2.lua | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/04/2.lua b/04/2.lua new file mode 100644 index 0000000..ae7d546 --- /dev/null +++ b/04/2.lua @@ -0,0 +1,16 @@ +#!/usr/bin/env lua + +local c = 0 +for line in io.lines() do + local s1, e1, s2, e2 = line:match("(%d+)-(%d+),(%d+)-(%d+)") + s1, e1, s2, e2 = tonumber(s1), tonumber(e1), tonumber(s2), tonumber(e2) + if + (s2 >= s1 and s2 <= e1) or + (e2 >= s1 and e2 <= e1) or + (s1 >= s2 and e1 <= e2) or + (s2 >= s1 and e2 <= e1) + then + c = c + 1 + end +end +print(c) |