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One of its unique features is an automated coding contest reminder, which sets alarms for upcoming coding contests on popular platforms like CodeChef, CodeForces, and LeetCode, without the need for user input. This feature ensures that users never miss a coding contest and can stay updated with the latest coding challenges.
We call a positive integer number fair if it is divisible by each of its nonzero digits. For example, 102 is fair (because it is divisible by 1 and 2 ), but 282 is not, because it isn't divisible by 8 . Given a positive integer 𝑛 . Find the minimum integer 𝑥 , such that 𝑛≤𝑥 and 𝑥 is fair.
Given a large number as string (size upto 10^5). Find count of subsequences which are divisible by 4 ( asked in salesforce ). Find count of subsequences which are divisible by N.
