Leetcode 2278. Percentage of Letter in String

文章作者：Tyan
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1. Description

2. Solution

解析：Version 1，先统计出字符个数，然后求百分比即可。

• Version 1

class Solution:
    def percentageLetter(self, s: str, letter: str) -> int:
        n = len(s)
        count = 0
        for ch in s:
            if ch == letter:
                count += 1
        percent = count * 100 // n
        return percent

Reference

1. https://leetcode.com/problems/percentage-of-letter-in-string/