Class Solution
java.lang.Object
g0701_0800.s0784_letter_case_permutation.Solution
public class Solution
extends java.lang.Object
784 - Letter Case Permutation.
Medium
Given a string s
, you can transform every letter individually to be lowercase or uppercase to create another string.
Return a list of all possible strings we could create. Return the output in any order.
Example 1:
Input: s = “a1b2”
Output: [“a1b2”,“a1B2”,“A1b2”,“A1B2”]
Example 2:
Input: s = “3z4”
Output: [“3z4”,“3Z4”]
Constraints:
1 <= s.length <= 12
s
consists of lowercase English letters, uppercase English letters, and digits.
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Constructor Summary
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Method Summary
Modifier and TypeMethodDescriptionvoid
helper
(java.lang.String s, int curr, java.lang.String temp) java.util.List
<java.lang.String> letterCasePermutation
(java.lang.String s) Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
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Constructor Details
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Solution
public Solution()
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Method Details
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letterCasePermutation
public java.util.List<java.lang.String> letterCasePermutation(java.lang.String s) -
helper
public void helper(java.lang.String s, int curr, java.lang.String temp)
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