#include<stdio.h>
int main()
{
char scan[256];
printf("请输入一串字符(6个)\n");
scanf("%s", scan);
int count = 0;
int i = 0;
for (i = 0; i < 6; i++)
{
if (scan[i] >= 65 && scan[i] <= 90)
{
scan[i] += 32;
count++;
}
}
printf("大写字母有%d个", count);
return 0;
}