28 lines
397 B
Go
28 lines
397 B
Go
package main
|
|
|
|
import "fmt"
|
|
|
|
func checkBin(list []int, i int) bool {
|
|
low := 0
|
|
high := len(list) -1
|
|
for 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
|
|
}
|
|
|
|
|