·解题思路来源https://github.com/azl3979858...
package main
import "container/list"
import "fmt"
func main(){
s := "{{}}"
m := "{{[()}]}"
l := "{[(())]}"
fmt.Println(check(s))
fmt.Println(check(m))
fmt.Println(check(l))
}
func check(x string) bool {
mapper := map[byte]byte{
'{':'}',
'(':')',
'[':']',
}
stack := list.New() //初始化栈
for _, v := range x {
i := byte(v)
if _, ok := mapper[i]; ok {
//入栈
stack.PushFront(i)
fmt.Println(i)
} else {
if stack.Len() == 0 {
return false
}
l := stack.Remove(stack.Front()).(byte)
r, ok := mapper[l]
if !ok || r != i {
return false
}
fmt.Printf("%s:%s", "S", string(i))
fmt.Printf("%s:%s", "L", string(l))
fmt.Printf("%s:%s", "R", string(r))
fmt.Println()
}
}
if stack.Len() > 0 {
return false
}
return true
}
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