题解 | #字母大小写转换#
字母大小写转换
https://www.nowcoder.com/practice/850ebd30a2a34cfc87199da3fc15786a
#include <stdio.h>
int main() {
char ch;
while((ch=getchar())!=EOF)
{
getchar();
if(ch>='a'&&ch<='z')
printf("%c\n",ch-32);
if(ch>='A'&&ch<='Z')
printf("%c\n",ch+32);
}
return 0;
}
