#include<stdio.h>
int main()
{
char a[100];
int count1=0,count2=0,count3=0,count4=0,sum=0;
gets(a);
for(int i=0;i<100;i++){
if(a[i]=='\0')
{
break;
}
sum++;
}
for (int i=0;i<=sum;i++)
{
if(('a'<=a[i] && a[i]<='z') || (a[i]>='A' && a[i]<='Z'))
count1++;
else if(a[i]==' ')
count2++;
else if(a[i]>='0' && a[i]<='9')
count3++;
else if(a[i]=='\0')
;
else
count4++;
}
printf("%d\n%d\n%d\n%d\n",count1,count2,count3,count4);
return 0;
}
解题思路:
注意事项:
参考代码:
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