C++day01（QT简介、C++）

今日任务：

代码：

#include <iostream>using namespace std;int main()
{/** 输入字符串统计大写、小写、数字、空格以及其他字符的个数**/string s;cout << "请输入一个字符串" << endl;//cin >> s;getline(cin,s);int small=0,big=0,number=0,space=0,other=0;for(int i=0;i<(int)s.size();i++){cout << s[i] <<endl;if('a'<=s[i]&& s[i]<='z'){small++;}else if('A'<=s[i]&& s[i]<='Z'){big++;}else if(0<=s[i]&& s[i]<=9){number++;}else if(s[i]==' '){space++;}else{other++;}}cout << "small=" << small << " big=" << big << " number=" << number << "space" << space<< " other=" << other <<endl;return 0;
}

运行结果：

今日思维导图