update 05.03.24

main.go

@@ -0,0 +1,26 @@
+package main
+
+import (
+	"errors"
+	"fmt"
+)
+
+func binarySearch(nums []int, target int) (int, error) {
+	low := 0
+	high := len(nums) - 1
+	for low <= high {
+		mid := low + (high-low)/2
+		if nums[mid] > target {
+			high = mid - 1
+		} else if nums[mid] < target {
+			low = mid + 1
+		} else if nums[mid] == target {
+			return mid, nil
+		}
+	}
+	return -1, errors.New("binarySearch: your target is not found in the given array")
+}
+
+func main() {
+	fmt.Println("Go Fast!")
+}