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程式語言 - LeetCode - C++ - 520. Detect Capital

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參考資訊：
https://github.com/doocs/leetcode/blob/main/solution/0500-0599/0520.Detect%20Capital/README_EN.md

題目：


解答：

class Solution {
public:
    bool detectCapitalUse(string word) {
        int cnt = count_if(word.begin(), word.end(), [](char c) { return isupper(c); } );
        return cnt == 0 || cnt == word.size() || (cnt == 1 && isupper(word[0]));
    }
};