8.5作业

1.思维导图

2.提示并输入一个字符串，统计该字符中大写、小写字母个数、数字个数、空格个数以及其他字符个数，要求使用C++风格字符串完成

#include <iostream>using namespace std;int main()
{string str;cout << "请输入一个字符串" << endl;getline(cin,str);int big = 0, small = 0, num = 0, space = 0,other = 0, size = str.size();for(int i=0;i<size;i++){if(str[i]>='A' && str[i]<='Z')big++;else if(str[i]>='a' && str[i]<='z')small++;else if(str[i]>=0 && str[i]<=9)num++;else if(str[i] == ' ')space++;elseother++;}cout << "大写字母个数：" << big << endl;cout << "小写字母个数：" << small << endl;cout << "数字个数：" << num << endl;cout << "空格个数：" << space << endl;cout << "其他字符个数：" << other << endl;return 0;
}