第36课第五题

#include <stdio.h>#include <stdlib.h>//第五题，输入一行文字，以回车结束，统计并输出其中数字、空格、字母出现的次数，以及输入的字符总数。int main(){    char ch;    int count_char=0,count_num=0,count_eng=0,count_space=0;//初始化计数器    printf("请输入字符串:");    while((ch=getchar())!='\n')    {        if(ch==' ')        {            count_space++;        }        else if(ch>='0'&&ch<='9')        {            count_num++;        }        else if((ch>='A'&&ch<='Z')||(ch>='a'&&ch<='z'))        {            count_eng++;        }        else            continue;        count_char++;    }    printf("总字符:%d 空格:%d 数字:%d 字母:%d",count_char,count_space,count_num,count_eng);    return 0;}