[C#][LeetCode][Easy] 389. Find the Difference

心得:

題目要求找出字串變數s與t差異的字母,變數t一定大於變數s且都為小寫,跑兩個迴圈就解決了。

問題:

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.

答案:



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