Array - 32: Sort array based on frequency of value (If frequency is same then sort based on value)
Source Code:https://thecodingsimplified.com/sort-...
Solution:
- Iterate all element of array & put in map (key as number & value as frequency)
- Now map has all value with their frequency
- Now use comparator & compare based on their map value
- If frequency is same then compare using value of array element
Time complexity: O(nlogn)
Space Complexity: O(n)
Do Watch video for more info
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