diff options
Diffstat (limited to 'challenge-243/deadmarshal/lua/ch-1.lua')
| -rw-r--r-- | challenge-243/deadmarshal/lua/ch-1.lua | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/challenge-243/deadmarshal/lua/ch-1.lua b/challenge-243/deadmarshal/lua/ch-1.lua new file mode 100644 index 0000000000..7bb6d2ebaa --- /dev/null +++ b/challenge-243/deadmarshal/lua/ch-1.lua @@ -0,0 +1,16 @@ +#!/usr/bin/env lua + +local function reverse_pairs(t) + assert(type(t) == 'table','t must be a table!') + local count = 0 + for i=1,#t-1 do + for j=i+1,#t do + if t[i] > 2 * t[j] then count = count + 1 end + end + end + return count +end + +print(reverse_pairs{1,3,2,3,1}) +print(reverse_pairs{2,4,3,5,1}) + |