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Leetcode Problem 1343. Number of Sub-arrays of Size K and Average Greater than or Equal to Threshold
1343. Number of Sub-arrays of Size K and Average Greater than or Equal to Threshold
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Leetcode Solutions
Sliding Window Approach
Solution Idea
Algorithm Steps
Code Implementation
Complexity Analysis
Initialize a variable
count
to store the number of valid subarrays.
Calculate the initial sum of the first
k
elements.
Iterate over the array starting from the
k
-th element.
For each iteration, check if the current sum divided by
k
is greater than or equal to
threshold
.
If it is, increment
count
.
Update the sum by subtracting the element that is leaving the window and adding the element that is entering the window.
Return the value of
count
.
Cumulative Sum Approach
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