Leetcode 389. Find the Difference
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.
class Solution:
def findTheDifference(self, s: str, t: str) -> str:
c = ord(t)
for i in range(len(s)):
c ^= ord(s)
c ^= ord(t)
return chr(c)
页:
[1]