VisaOA #1
Letter Case Difference
简单可在线判题
考点(AI 标注)字符串
Count the number of uppercase English letters in typedText minus the number of lowercase English letters.
输入格式
A non-empty string containing only English letters A-Z and a-z; length 1..200000 (site-added).
输出格式
Output the uppercase count minus the lowercase count.
样例 1
输入:
AbCd
输出:
0
样例 2
输入:
Aaa
输出:
-1
样例 3
输入:
xyzXYZ
输出:
0