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Scanningfromspecificvariableusingcin

使用cin从指定的变量进行输入操作时,可以通过以下方式实现:

示例代码:

int num; cin >> num; //从键盘读入一个整数并存储到num中

以上代码表示,从键盘读入一个整数,并存储到变量num中。

如果需要从多个变量上读入数据,可以通过以下方式实现:

示例代码:

int num1, num2; cin >> num1 >> num2; //从键盘读入两个整数并存储到num1, num2中

以上代码表示,从键盘读入两个整数,并存储到变量num1, num2中。

需要注意的是,当从键盘读入不同类型的数据时,可以使用以下方式区分不同的输入类型:

示例代码:

int num1; double num2; char ch; cin >> num1 >> num2 >> ch;

以上代码表示,从键盘依次读入一个整数、一个浮点数和一个字符,并分别存储到变量num1、num2和ch中。

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