diff options
Diffstat (limited to 'challenge-090/tyler-wardhaugh/lua/ch-2.lua')
| -rwxr-xr-x | challenge-090/tyler-wardhaugh/lua/ch-2.lua | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/challenge-090/tyler-wardhaugh/lua/ch-2.lua b/challenge-090/tyler-wardhaugh/lua/ch-2.lua new file mode 100755 index 0000000000..85c69b7be8 --- /dev/null +++ b/challenge-090/tyler-wardhaugh/lua/ch-2.lua @@ -0,0 +1,27 @@ +#!/usr/bin/env lua + +local t2 = {} + +function t2.ethiopian_multiply(a, b) + local product = 0 + + while a > 0 do + if a % 2 ~= 0 then + product = product + b + end + + a = a // 2 + b = b * 2 + end + + return product +end + +function t2.run(args) + local A = tonumber(args[1]) or 12 + local B = tonumber(args[2]) or 14 + local product = t2.ethiopian_multiply(A, B) + print(product) +end + +return t2 |
