Data update

Task/Binary-search/Pluto/binary-search.pluto

@@ -0,0 +1,34 @@
+require "table2"
+local fmt = require "fmt"
+
+local function rec_bsearch(a, v, low = 1, high = #a)
+    if high < low then return false, 0 end
+    local mid = low + (high - low) // 2
+    if a[mid] > v then return rec_bsearch(a, v, low, mid - 1) end
+    if a[mid] < v then return rec_bsearch(a, v, mid + 1, high) end
+    return true, mid
+end
+
+local a = {10, 22, 45, 67, 89, 97}
+fmt.lprint(a, ", ", "{}", "array = ")
+print()
+
+local texts = {"Using the library function (iterative algorithm):",
+               "Using the recursive algorithm:"}
+
+local values = { {22, 70}, {67, 93} }
+
+local fns = {table.bsearch, rec_bsearch}
+
+for i = 1, 2 do
+    print(texts[i])
+    for values[i] as v do
+        local found, index = fns[i](a, v)
+        if found then
+            print($"  {v} was found at index {index} of the array")
+        else
+            print($"  {v} was not found in the array")
+        end
+    end
+    if i == 1 then print() end
+end