26 lines
398 B
Go
26 lines
398 B
Go
package main
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import "fmt"
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func checkBin(list []int, i int) int {
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low := 0
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high := len(list) - 1
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for low <= high {
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mid := (low + high) / 2
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if list[mid] == i {
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return mid
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}
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if list[mid] < i {
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low = mid + 1
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} else {
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high = mid - 1
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}
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}
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return -1
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}
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func main() {
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fmt.Println(checkBin([]int{1, 2, 3, 4, 5}, 1)) // 0
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fmt.Println(checkBin([]int{1, 2, 3, 4, 5}, -1)) // -1
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}
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