輸入一個矩陣，按照從外向里以順時針的順序依次打印出每一個數字，例如，如果輸入如下4 X 4矩陣： 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 則依次打印出數字1,2,3,4,8,12,16,15,14,13,9,5,6,7,11,10.
package main
import "fmt"
func main() {
//s := [][]int{{1, 2, 3, 4}, {5, 6, 7, 8}, {9, 10, 11, 12}, {13, 14, 15, 16}}
//s := [][]int{{1}, {2}, {3}, {4}}
//s := [][]int{{1, 2, 3, 4}, {5, 6, 7, 8}}
s := [][]int{{1, 2}, {5, 6}, {9, 10}, {13, 14}}
printMatrix(s)
}
func printMatrix(s [][]int) {
if s == nil {
fmt.Println("切片為空，無法打印")
}
bex, bey := 0, 0
hang := len(s) - 1
lie := len(s[0]) - 1
if hang == 0 {
for _, v := range s[0] {
fmt.Println(v)
}
return
}
if lie == 0 {
for _, v := range s {
fmt.Println(v[0])
}
return
}
for bex = hang bey = lie {
ax, ay := bex, bey
for ay lie {
fmt.Println(s[ax][ay])
ay++
}
for ax hang {
fmt.Println(s[ax][ay])
ax++
}
for ay > bey {
fmt.Println(s[ax][ay])
ay--
}
for ax > bex {
fmt.Println(s[ax][ay])
ax--
}
bex++
bey++
hang--
lie--
}
}
