例7-13

#include<stdio.h> int main(void) {     int count,i;  char str[80];

 printf("Enter a string:");  i=0;  while((str[i]=getchar())!=' ')   i++;  str[i]='';

 count=0;  for(i=0;str[i]!='';i++)   if(str[i]<='9'&&str[i]>='0')    count++;  printf("count=%d ",count);      return 0; }

原文地址:https://www.cnblogs.com/2013djj/p/3355361.html