new files

Task/Binary-search/Go/binary-search-1.go

@@ -0,0 +1,12 @@
+func binarySearch(a []float64, value float64, low int, high int) int {
+    if high < low {
+        return -1
+    }
+    mid := (low + high) / 2
+    if a[mid] > value {
+        return binarySearch(a, value, low, mid-1)
+    } else if a[mid] < value {
+        return binarySearch(a, value, mid+1, high)
+    }
+    return mid
+}