Add Lua code for chapter 6-9 (#36)

* Add Lua code for chapter 6 * Add Lua code for chapter 7 * Add Lua code for chapter 8 * Add Lua code for chapter 9
2017-11-14 00:14:24 +08:00
parent ec2890a93d
commit d0ac45bcde
6 changed files with 279 additions and 0 deletions
--- a/09_dynamic_programming/lua/01_longest_common_subsequence.lua
+++ b/09_dynamic_programming/lua/01_longest_common_subsequence.lua
@@ -0,0 +1,7 @@
+if word_a[i] == word_b[j] then
+    -- The letters match.
+    cell[i][j] = cell[i - 1][j - 1] + 1
+else
+    -- The letters don't match.
+    cell[i][j] = math.max(cell[i - 1][j], cell[i][j - 1])
+end