标签：pre ring int out span leetcode for sam solution
Implement function ToLowerCase() that has a string parameter str, and returns the same string in lowercase.
Example 1:
Input: "Hello"
Output: "hello"
Example 2:
Input: "here"
Output: "here"
Example 3:
Input: "LOVELY"
Output: "lovely"
1 class Solution { 2 public: 3 string toLowerCase(string str) { 4 string res; 5 for (int i = 0; i < str.length(); i++) { 6 if (str[i] >= ‘A‘ && str[i] <= ‘Z‘) { 7 res += ‘a‘ + (str[i] - ‘A‘); 8 } else { 9 res += str[i]; 10 } 11 } 12 return res; 13 } 14 };
标签：pre ring int out span leetcode for sam solution
原文地址：https://www.cnblogs.com/qinduanyinghua/p/11537342.html
