C++DAY39

#include 
#include 
 
using namespace std;
 
int main()
{
    string str;
    int dcount = 0;
    int xcount = 0;
    int scount = 0;
    int qcount = 0;
    int kcount = 0;
    getline(cin,str);
    int num = str.size();
    for(int i = 0;i
    {
        if(str.at(i) >= 'A' && str.at(i) <= 'Z')
        {
            dcount++;
        }
        else if(str.at(i) >= 'a' && str.at(i) <= 'z')
        {
            xcount++;
        }
        else if (str[i] >= '0' && str[i] <= '9')
        {
            scount++;
        }
        else if(str[i] == ' ')
        {
            kcount++;
        }
        else
        {
            qcount++;
        }
    }
    cout << " 大写字母个数为" << dcount << " 小写字母个数为" << xcount << " 数字个数为" << scount << " 空格个数为" << kcount << "其他字符个数为" << qcount << endl;
    return 0;
}