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31 lines
901 B
HTML
31 lines
901 B
HTML
<p>You are given two strings <code>s</code> and <code>t</code>.</p>
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<p>String <code>t</code> is generated by random shuffling string <code>s</code> and then add one more letter at a random position.</p>
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<p>Return the letter that was added to <code>t</code>.</p>
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<p> </p>
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<p><strong>Example 1:</strong></p>
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<pre>
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<strong>Input:</strong> s = "abcd", t = "abcde"
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<strong>Output:</strong> "e"
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<strong>Explanation:</strong> 'e' is the letter that was added.
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</pre>
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<p><strong>Example 2:</strong></p>
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<pre>
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<strong>Input:</strong> s = "", t = "y"
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<strong>Output:</strong> "y"
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</pre>
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<p> </p>
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<p><strong>Constraints:</strong></p>
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<ul>
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<li><code>0 <= s.length <= 1000</code></li>
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<li><code>t.length == s.length + 1</code></li>
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<li><code>s</code> and <code>t</code> consist of lowercase English letters.</li>
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</ul>
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