package change
import "fmt"
//金字塔
func jzt(number int) {
for i := 1; i <= number; i++ {
// 输出 空格
for k := 1; k <= number-i; k++ {
fmt.Print(" ")
}
//输出※
for x := 1; x <= 2*i-1; x++ {
fmt.Print("*")
}
fmt.Print("\n")
}
}
//空心金字塔 func kxzjt(number int) { for i := 1; i <= number; i++ { // 输出 空格 for k := 1; k <= number-i; k++ { fmt.Print(" ") } //输出※ for x := 1; x <= 2i-1; x++ { //头和尾 左右两边 if i == 1 || i == number || x == 1 || x == 2i-1 { fmt.Print("*") } else { fmt.Print(" ") }
}
fmt.Print("\n")
}
}
//九九乘法表
func jjcfb() { for i := 1; i <= 9; i++ { for j := 1; j <= i; j++ { fmt.Printf("%d * %d = %d ", j, i, i*j) } fmt.Print("\n") } }
// 猴子吃桃 func eat(banner, day int) int { if day == 1 { return banner } banner = 2 * (banner + 1) return eat(banner, day-1)
}
// 生产斐波那契数列
func create_fbn(number int) []int { var slice = make([]int, number)
for i := 0; i < number; i++ {
if i == 0 || i == 1 {
slice[i] = 1
} else {
slice[i] = slice[i-1] + slice[i-2]
}
}
return slice
}
// 查找斐波那契位置 func search_fbn(number int) int { if number == 1 || number == 2 { return 1 } else { return search_fbn(number-1) + search_fbn(number-2) }
}
//冒泡排序
func mpSort(arr []int) { for i := 0; i < len(arr); i++ { for j := 0; j < len(arr)-i-1; j++ { if arr[j] > arr[j+1] { arr[j], arr[j+1] = arr[j+1], arr[j] }
}
}
}
func twoFind(arr []int, find_int int) {
len_arr := len(arr)
if len_arr == 1 && arr[0] != find_int {
fmt.Print("没有")
return
}
middle_val := len_arr / 2
if arr[middle_val] == find_int {
fmt.Print("有")
return
}
if arr[middle_val] > find_int {
twoFind(arr[:middle_val], find_int)
}
if arr[middle_val] < find_int {
twoFind(arr[middle_val:], find_int)
}
}
// jzt(5) // kxzjt(5) // jjcfb() // eat_res := eat(1, 10) // fmt.Print(eat_res) // fbn_arr := create_fbn(8) // fmt.Print(fbn_arr) // fbn_find := search_fbn(8) // fmt.Print(fbn_find) // order_arr := []int{64, 34, 25, 12, 22, 11, 90} // mpSort(order_arr) // fmt.Print(order_arr)
