Binary search implementation in golang

prasanna-in · egonSchiele · commit 429710a09020 · 2017-07-19T19:35:55.000-04:00
diff --git a/01_introduction_to_algorithms/Golang/BinarySearch.go b/01_introduction_to_algorithms/Golang/BinarySearch.go
@@ -0,0 +1,35 @@
+package main
+
+import "fmt"
+
+func getBool(i, j int) bool {
+	if i <= j{
+		return true
+	}else {
+		return false
+	}
+}
+
+func checkBin(list []int, i int) bool {
+	low := 0
+	high := len(list) -1
+	for ok := true;ok ;ok = getBool(low,high)  {
+		mid:= (low+high)/2
+		if list[mid] == i{
+			return true
+		}
+		if list[mid] < i{
+			low = mid+1
+		}else {
+			high = mid -1
+		}
+	}
+	return false
+}
+
+func main() {
+	fmt.Println(checkBin([]int{1, 2, 3, 4, 5}, 1)) // true
+	fmt.Println(checkBin([]int{1, 2, 3, 4, 5}, -1)) //false
+}
+
+
