# [914\. 卡牌分组](https://leetcode-cn.com/problems/x-of-a-kind-in-a-deck-of-cards/)
~~~
func TestDemo914(t *testing.T) {
data1 := []int{1,2,3,4,4,3,2,1}
data2 := []int{1,1,1,2,2,2,3,3}
fmt.Println(hasGroupsSizeX(data1))
fmt.Println(hasGroupsSizeX(data2))
}
func hasGroupsSizeX(deck []int) bool {
for _,v := range deck {
b := esc(v, deck)
if b == false{
return false
}
}
return true
}
func esc(i int,ds []int) bool {
var s int
for _,v := range ds {
if v == i {
s ++
}
}
i2 := s % 2
if i2 == 0 {
return true
}
return false
}
~~~
