Computer Science, asked by ashanani111, 8 months ago

Given an array of integers A, and an integer K find number of happy elements. Element X is happy if there exists at least 1 element whose difference is less than K i.e. an element X is happy, if there is another element in the range [X-K, X+K] other than X itself. Constraints 1 <= N <= 10^5 0 <= K <= 10^5 0 <= A[i] <= 10^9 Input First line contains two integers N and K where N is size of the array and K is a number as described above Second line contains N integers separated by space. Output Print a single integer denoting the total number of happy elements. Time Limit 1 Examples Example 1 Input 6 3 5 5 7 9 15 2 Output 5 Explanation Other than number 15, everyone has at least 1 element in the range [X-3, X+3]. Hence they are all happy elements. Since these five are in number, the output is 5. Example 2 Input 3 2 1 3 5 Output 3 Explanation All numbers have at least 1 element in the range [X-2, X+2]. Hence they are all happy elements. Since these three are in number, the output is 3.

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Answered by poonamdevi9315257043

Answer:

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Answered by Anonymous

Explanation:

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