new files

Task/Binary-search/Go/binary-search-2.go

@@ -0,0 +1,15 @@
+func binarySearch(a []float64, value float64) int {
+    low := 0
+    high := len(a) - 1
+    for low <= high {
+        mid := (low + high) / 2
+        if a[mid] > value {
+            high = mid - 1
+        } else if a[mid] < value {
+            low = mid + 1
+        } else {
+            return mid
+        }
+    }
+    return -1
+}