Leetcode——字符

520. 检测大写字母

class Solution {
public:bool detectCapitalUse(string word) {int big = 0, small = 0, len = word.length();for (int i = 0; i < len; i++) {if (word[i] >= 65 && word[i] <= 90) {big++;}else {small++;}}if (big == len || small == len) {return true;}else if (len > 1 && big == 1) {if (word[0] <= 90) {return true;}else {return false;}}else {return false;}}
};