diff options
| -rw-r--r-- | challenge-078/tyler-wardhaugh/lua/README.md | 4 | ||||
| -rwxr-xr-x | challenge-078/tyler-wardhaugh/lua/ch-2.lua | 22 | ||||
| -rwxr-xr-x | challenge-078/tyler-wardhaugh/lua/test.lua | 14 |
3 files changed, 40 insertions, 0 deletions
diff --git a/challenge-078/tyler-wardhaugh/lua/README.md b/challenge-078/tyler-wardhaugh/lua/README.md index 741ee6bff1..91e2f8575d 100644 --- a/challenge-078/tyler-wardhaugh/lua/README.md +++ b/challenge-078/tyler-wardhaugh/lua/README.md @@ -9,6 +9,10 @@ Run Task 1: $ lua -e 'require"ch-1".run({9, 10, 7, 5, 6, 1})' +Run Task 2: + + $ lua -e 'require"ch-2".run({10, 20, 30, 40, 50}, {3, 4})' + Run the project's tests (which are samples from the task descriptions): $ lua test.lua diff --git a/challenge-078/tyler-wardhaugh/lua/ch-2.lua b/challenge-078/tyler-wardhaugh/lua/ch-2.lua new file mode 100755 index 0000000000..f5b2ab901a --- /dev/null +++ b/challenge-078/tyler-wardhaugh/lua/ch-2.lua @@ -0,0 +1,22 @@ +#!/usr/bin/env lua + +local t2 = {} + +function t2.multi_rotate(list, rotations) + local rts = {} + for _, rv in ipairs(rotations) do + local rotated = table.move(list, rv + 1, #list, 1, {}) + for i = 1, rv do table.insert(rotated, list[i]) end + table.insert(rts, rotated) + end + return rts +end + +function t2.run(...) + local res = t2.multi_rotate(...) + for _, v in ipairs(res) do + print('[' .. table.concat(v, ' ') .. ']') + end +end + +return t2 diff --git a/challenge-078/tyler-wardhaugh/lua/test.lua b/challenge-078/tyler-wardhaugh/lua/test.lua index d47309f705..c5494095c0 100755 --- a/challenge-078/tyler-wardhaugh/lua/test.lua +++ b/challenge-078/tyler-wardhaugh/lua/test.lua @@ -9,3 +9,17 @@ describe("Task 1, Leader Elements", function() assert.are.same({5}, t1.leaders({3, 4, 5})) end) end) + +describe("Task 2, Left Rotation", function() + local t2 = require'ch-2' + it("produces correct results for the examples", function() + assert.are.same( + {{40, 50, 10, 20, 30}, {50, 10, 20, 30, 40}}, + t2.multi_rotate({10, 20, 30, 40, 50}, {3, 4}) + ) + assert.are.same( + {{4, 2, 6, 3, 7}, {6, 3, 7, 4, 2}, {3, 7, 4, 2, 6}}, + t2.multi_rotate({7, 4, 2, 6, 3}, {1, 3, 4}) + ) + end) +end) |
