go语言（3）

package main
import "fmt"

func maopao(arr *[5]int) {
    fmt.Println(*arr)
    temp:=0
    for i:=0;i<len(*arr)-1; i++ {
        if (*arr)[i] > (*arr)[i+1] {
            temp=(*arr)[i]
            (*arr)[i]=(*arr)[i+1]
            (*arr)[i+1]=temp
        }
    }
    fmt.Println(*arr)
}

func main() {
    arr := [5]int{1,4,1,4,2}
    maopao(arr)
}

package main
import "fmt"

func main() {
    names := [4]string{"aa", "bb", "cc", "dd"}
    var shuru = ""
    fmt.Scanln(&shuru)
    index := -1
    for i:=0;i<len(names);i++ {
        if names[i]==shuru {
            index =i
            break
        }
    }
    if index!=-1 {
        fmt.Println("aaaaa")
    } else {
        fmt.Println("bbbb")
    }
}

package main
import "fmt"

func erfen(arr *[6]int, left int, right int, target int) {
    if left>right {
        return
    }
    middle := (left+right)/2
    if (*arr)[middle] == target {
        fmt.Println("find%v n", target)
        return 
    } else if (*arr)[middle]>target {
        erfen (arr, left, middle-1, target)
    } else {
        erfen (arr, middle+1, right, target)
    }
}

func main() {
    arr:= [6]int{1,2,3,4,5,6}
    erfen(&arr,0,len(ar)-1,2)
}