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451. Sort Characters By Frequency (1)
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솜씨좋은장씨
[leetCode] 451. Sort Characters By Frequency (Python)
Given a string, sort it in decreasing order based on the frequency of characters. Example 1: Input: "tree" Output: "eert" Explanation: 'e' appears twice while 'r' and 't' both appear once. So 'e' must appear before both 'r' and 't'. Therefore "eetr" is also a valid answer. Example 2: Input: "cccaaa" Output: "cccaaa" Explanation: Both 'c' and 'a' appear three times, so "aaaccc" is also a valid an..
Programming/코딩 1일 1문제
2020. 10. 20. 00:01
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