#include <iostream>
#include <array>
using namespace std;

int main()
{
    cout<<"请输入一个字符串"<<endl;
    //array<string,100> str;
    string str;
    getline(cin,str);
    int daxie=0,xiaoxie=0,num=0,space=0,other=0;
    int len=str.size();
    ;
    for(int i=0;i<len;i++)
    {
        if(str[i]>='A'&&str[i]<='Z')
        {
            daxie++;
        }else if(str[i]>='a'&&str[i]<='z')
        {
              xiaoxie++;
        }else if(str[i]>='0'&&str[i]<='9')
        {
            num++;
        }else if(str[i]==' ')
        {
            space++;
        }else
        {
            other++;
        }

    }
     cout<<"大写字母个数是"<<daxie<<endl;
      cout<<"小写字母个数是"<<xiaoxie<<endl;
       cout<<"数字个数是"<<num<<endl;
        cout<<"空格个数是"<<space<<endl;
         cout<<"其他字符个数是"<<other<<endl;

    return 0;
}

运行结果：