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Types ¶
type RandomizedSet ¶
type RandomizedSet struct {
// contains filtered or unexported fields
}
*
@author: CodeWater @since: 2023/12/23 @desc: O(1) 时间插入、删除和获取随机元素
*
func Constructor ¶
func Constructor() RandomizedSet
func (*RandomizedSet) GetRandom ¶
func (this *RandomizedSet) GetRandom() int
func (*RandomizedSet) Insert ¶
func (this *RandomizedSet) Insert(val int) bool
func (*RandomizedSet) Remove ¶
func (this *RandomizedSet) Remove(val int) bool
Remove 删除O（1）实现：把删除的元素交换到最后，然后删除最后一个元素即可。
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