Apr 22 • General discussion
Leetcode Daily Question: 22 Apr 2026
Level: Medium
Find all query words that differ from at least one dictionary word in at most two character positions, and return them in their original order.
Solution:
- A transformation is valid if the Hamming distance between a query word and a dictionary word is ≤ 2.
- For each query, iterate through all dictionary words and compute the character-wise mismatch count.
- If any dictionary word has ≤ 2 mismatches, include the query in the result and stop further checks for that query (aka. early break).
Source Code: https://ide.usaco.guide/OqpSkK6fA48u0WTGvdO
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Leetcode Daily Question: 22 Apr 2026
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