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