Dsa
Strings
Medium
String Frequency Sort
You need to sort the characters of a string based on frequency, where the most frequent characters appear first. In the case of a tie in frequency, sort characters lexicographically (alphabetically). Return the sorted string.
Input:
- A single line string containing only lowercase alphabets.
Output:
- A single string with characters sorted by frequency.
Example:
Input:
aabbcc
d
Output:
aa
Key concepts
stringssortingfrequency
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