LeetCode 1684: Count the Number of Consistent Strings | C++/Java Solution | Problem of Day(12 Sept)

In this video, I’ll be solving LeetCode Problem 1684, "Count the Number of Consistent Strings," which is also today's Problem of the Day! This problem is great for practicing your C++ skills while improving your ability to work with sets and string manipulation. The challenge involves finding how many strings in a given array are "consistent" based on a set of allowed characters.

In this tutorial, I break down the problem step-by-step, explaining how to use an unordered set to efficiently store the allowed characters and how to check each word in the words array to ensure all its characters are present in the allowed set. I'll demonstrate a clear and concise solution using C++ that’s both beginner-friendly and optimal for larger datasets. By the end of this video, you’ll have a solid understanding of how to approach problems like this in coding interviews.

Make sure to watch till the end, and if you find the explanation useful, please like, comment, and subscribe for more LeetCode solutions, coding tutorials, and Problem of the Day breakdowns!

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