Talk is cheap.
func duplicateInArray(nums []int) int { var f, s int for f == 0 || f != s { f = nums[nums[f]] s = nums[s] } f = 0 for f != s { f = nums[f] s = nums[s] } return s; }
牛皮, 好简洁的代码…
牛皮, 好简洁的代码…