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[LeetCode] Find the Difference 寻找不同

 

Given two strings s and t which consist of only lowercase letters.

String t is generated by random shuffling string s and then add one more letter at a random position.

Find the letter that was added in t.

Example:

Input:s = "abcd"t = "abcde"Output:eExplanation:‘e‘ is the letter that was added.

 

s

 

[LeetCode] Find the Difference 寻找不同