【字符串】520. 检测大写字母

 1 class Solution {
 2 public:
 3     bool detectCapitalUse(string word) 
 4     {
 5         int uc = 0;
 6         for (int i = 0; i < word.size(); i++) 
 7         {
 8             if (isupper(word[i]) && uc++ < i) 
 9             {
10                 return false;
11             }
12         }
13         
14         return uc == word.size() || uc <= 1;
15 
16     }
17 };