sairate 4108f6c42d docs(book): 添加现代 C++教程及相关代码
- 新增现代 C++ 教程的 Preface 章节,包括英文和中文版本
- 添加 C++ Primer 练习代码
- 新增 Learn C++ 教程的 C++ 开发简介章节
- 添加头文件解析文档
- 更新 mkdocs.yml,包含新教程的目录结构
- 修改项目设置,使用 Python 3.10环境
2025-07-06 16:14:43 +08:00

58 lines
1.5 KiB
C++

#include <iostream>
using namespace std;
int main()
{
unsigned int aCnt = 0, eCnt = 0, iCnt = 0, oCnt = 0, uCnt = 0;
unsigned int spaceCnt = 0, tabCnt = 0,newlineCnt = 0;
char ch;
cout << "请输入一段文本" << endl;
while (cin >> ch)
{
switch (ch) {
case 'a':
case 'A':
++aCnt;
break;
case 'e':
case 'E':
++eCnt;
break;
case 'I':
case 'i':
++iCnt;
break;
case 'o':
case 'O':
++oCnt;
break;
case 'u':
case 'U':
++uCnt;
break;
case ' ':
++spaceCnt;
break;
case '\t':
++tabCnt;
break;
case '\n':
++newlineCnt;
break;
}
}
cout << "Number of vowel a: \t" << aCnt << '\n'
<< "Number of vowel e: \t" << eCnt << '\n'
<< "Number of vowel i: \t" << iCnt << '\n'
<< "Number of vowel o: \t" << oCnt << '\n'
<< "Number of vowel u: \t" << uCnt << '\n'
<< "Number of space: \t" << spaceCnt << '\n'
<< "Number of tab: \t" << tabCnt << '\n'
<< "Number of newline: \t" << newlineCnt << '\n'
<< "Total number: \t" << aCnt + eCnt + iCnt + oCnt +uCnt + spaceCnt + tabCnt + newlineCnt<< endl;
return 0;
}