2278. Percentage of Letter in String

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Given a string s and a character letter, return the percentage of characters in s that equal letter rounded down to the nearest whole percent. Example 1: Input: s = "foobar", letter = "o" Output: 33 Explanation: The percentage of characters in s that equal the letter 'o' is 2 / 6 * 100% = 33% when rounded down, so we return 33. Example 2: Input: s = "jjjj", letter = "k" Output: 0 Explanation

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solution.cppC++17

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