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| package main
import "fmt"
type g2048 [4][4]int
func (t *g2048) MirrorV() {
tn := new(g2048)
for i, line := range t {
for j, num := range line {
tn[len(t)-i-1][j] = num
}
}
*t = *tn
}
func (t *g2048) Right90() {
tn := new(g2048)
for i, line := range t {
for j, num := range line {
tn[j][len(t)-i-1] = num
}
}
*t = *tn
}
func (t *g2048) Left90() {
tn := new(g2048)
for i, line := range t {
for j, num := range line {
tn[len(line)-j-1][i] = num
}
}
*t = *tn
}
func (g *g2048) R90() {
tn := new(g2048)
for x, line := range g {
for y, _ := range line {
tn[x][y] = g[len(line)-1-y][x]
}
}
*g = *tn
}
func (t *g2048) Right180() {
tn := new(g2048)
for i, line := range t {
for j, num := range line {
tn[len(line)-i-1][len(line)-j-1] = num
}
}
*t = *tn
}
func (t *g2048) Print() {
for _, line := range t {
for _, number := range line {
fmt.Printf("%2d ", number)
}
fmt.Println()
}
fmt.Println()
tn := g2048{{1, 2, 3, 4}, {5, 8}, {9, 10, 11}, {13, 14, 16}}
*t = tn
}
func main() {
fmt.Println("origin")
t := g2048{{1, 2, 3, 4}, {5, 8}, {9, 10, 11}, {13, 14, 16}}
t.Print()
fmt.Println("mirror")
t.MirrorV()
t.Print()
fmt.Println("Left90")
t.Left90()
t.Print()
fmt.Println("Right90")
t.R90()
t.Print()
fmt.Println("Right180")
t.Right180()
t.Print()
}
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