problem389

README

< Previous 　　　　　　　　　　　　　　　　 Next >

389. Find the Difference (Easy)

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:
e
Explanation:
'e' is the letter that was added.

Related Topics

[Bit Manipulation] [Hash Table]

Similar Questions

1. Single Number (Easy)