Created
April 3, 2018 05:37
-
-
Save RavenZZ/6beab993895d78cc676e5ef7d16bc511 to your computer and use it in GitHub Desktop.
A binary search is a search strategy used to find elements within a list by consistently reducing the amount of data to be searched and thereby increasing the rate at which the search term is found. To use a binary search algorithm, the list to be op
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
// Binary Search in Golang | |
package main | |
import "fmt" | |
func binarySearch(needle int, haystack []int) bool { | |
low := 0 | |
high := len(haystack) - 1 | |
for low <= high{ | |
median := (low + high) / 2 | |
if haystack[median] < needle { | |
low = median + 1 | |
}else{ | |
high = median - 1 | |
} | |
} | |
if low == len(haystack) || haystack[low] != needle { | |
return false | |
} | |
return true | |
} | |
func main(){ | |
items := []int{1,2, 9, 20, 31, 45, 63, 70, 100} | |
fmt.Println(binarySearch(63, items)) | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment