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7. Number Frequency
Problem Statement
Write a Recursive Solution to Count occurrences of an Element in an Array.
Given an array of integers and a key element, write a recursive solution to count the occurrences of the key element in the array.
Examples:
Sr# | Array | Input Key | Output | Description |
---|---|---|---|---|
1 | [2, 4, 6, 8, 4] | 4 | 2 | The key element 4 occurs twice in the array. |
2 | [1, 3, 5, 7, 9] | 2 | 0 | The key element 2 does not exist in the array. |
3 | [1, 2, 2, 2, 3] | 2 | 3 | The key element 2 occurs three times in the array. |
Try it yourself
Try solving this question here:
Python3
Python3
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