#include <stdio.h>
#include <ctype.h>
int main(void)
{
int ch;
unsigned long uct = 0;
unsigned long lct = 0;
unsigned long oct = 0;
while ((ch = getchar()) != EOF)
if (isupper(ch))
uct++;
else if (islower(ch))
lct++;
else
oct++;
printf("%lu uppercase characters read/n", uct);
printf("%lu lowercase characters read/n", lct);
printf("%lu other characters read/n", oct);
return 0;
}
原创文章,作者:ItWorker,如若转载,请注明出处:https://blog.ytso.com/266668.html