Golang | Leetcode Golang题解之第287题寻找重复数

题目：

题解：

func findDuplicate(nums []int) int {slow, fast := 0, 0for slow, fast = nums[slow], nums[nums[fast]]; slow != fast; slow, fast = nums[slow], nums[nums[fast]] { }slow = 0for slow != fast {slow = nums[slow]fast = nums[fast]}return slow
}