Enter a string of strings. Counting the number of English letters, spaces, numbers, respectively
tags: c
#include <stdio.h>
int main()
{
int a,b,c,d,ch;
a=b=c=d=0;// The counter is initialized to 0.
while((ch=getchar())!='\n')// Cycle read characters to the end of the wrap.
{
if(ch>='0' && ch<='9')//number
a++;
else if((ch>='a' && ch<='z')||(ch>='A' && ch<='Z'))//letter
b++;
else if(ch==' ')// space
c++;
else //other
d++;
}
printf("%d %d %d %d\n", a,b,c,d);// Output result.
return 0;
}
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