[Swift]LeetCode1189.
★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★ Given a string? You can use each character in? ? Example 1: Input: text = "nlaebolko" Output: 1 Example 2: Input: text = "loonbalxballpoon" Output: 2 Example 3: Input: text = "leetcode" Output: 0 ? Constraints:
给你一个字符串? 字符串? ? 示例 1: 输入:text = "nlaebolko" 输出:1 示例 2: 输入:text = "loonbalxballpoon" 输出:2 示例 3: 输入:text = "leetcode" 输出:0 ? 提示:
Runtime:?16 ms
Memory Usage:?20.7 MB
1 class Solution { 2 func maxNumberOfBalloons(_ text: String) -> Int { 3 var F:[Character:Int] = [Character:Int]() 4 for c in text 5 { 6 F[c,default:0] += 1 7 } 8 return min(F["b",default:0],F["a",F["l",default:0]/2,F["o",F["n",default:0]) 9 } 10 } (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |