Given an array numsof n elements and q queries . Each query consists of two integers l and r . You task is to find the number of elements of nums[] in range [l,r] which occur atleast k times.
Example 1:
Input: nums = {1,1,2,1,3}, Queries = {{1,5},
{2,4}}, k = 1
Output: {3,2}
Explanation: For the 1st query, from l=1 to r=5
1, 2 and 3 have the frequency atleast 1.
For the second query, from l=2 to r=4, 1 and 2 have
the frequency atleast 1.
Your Task:
Your task is to complete the function solveQueries() which takes nums, Queries and k as input parameter and returns a list containg the answer for each query.
Expected Time Complexity: O(n*sqrt(n)*log(n)) Expected Space Compelxity: O(n)
Constraints:
1 <= n, no of Queries, k <= 104
1 <= nums[i] <= 103
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Avoid using static/global variables in coding problems as your code is tested
against multiple test cases and these tend to retain their previous values.
Passing the Sample/Custom Test cases in coding problems does not guarantee the
correctness of code. On submission, your code is tested against multiple test cases
consisting of all possible corner cases and stress constraints.
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