Скачать или смотреть Find the Difference Tamil Tutorial C++ (LeetCode 389 Easy)

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Problem link: https://leetcode.com/problems/find-th...
Problem Description:
You are given two strings s and t.

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

Return the letter that was added to t.



Example 1:

Input: s = "abcd", t = "abcde"
Output: "e"
Explanation: 'e' is the letter that was added.
Example 2:

Input: s = "", t = "y"
Output: "y"
Example 3:

Input: s = "a", t = "aa"
Output: "a"
Example 4:

Input: s = "ae", t = "aea"
Output: "a"