Leetcode Problem 713. Subarray Product Less Than K

713. Subarray Product Less Than K

Leetcode Solutions

Sliding Window Approach

  1. Initialize left to 0 and prod to 1.
  2. Initialize ans to 0 to store the count of valid subarrays.
  3. Iterate over the array with a right pointer.
  4. Multiply prod by the current element nums[right].
  5. While prod is greater than or equal to k, divide prod by nums[left] and increment left.
  6. Add right - left + 1 to ans to include all valid subarrays ending at right.
  7. Return ans as the final result.
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Binary Search on Logarithms

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