题解 | #大小写转换#
大小写转换
https://www.nowcoder.com/practice/4e089ee8966a4ed4b306f64e68d45264
#include <stdio.h>
int main() {
char i;
while(scanf("%c",&i)!=EOF)
{
getchar();
if(i>='A' && i<='Z')
{
i=i+32;
}
else
{
i = i-32;
}
printf("%c\n",i);
}
return 0;
}
