Under the subject line, just type "50."

VOA: special.2009.10.16

So this line here declares a variable, just storage space called "x" and it's of type "int," which means an integer has to go in it.

这里的这条线声明了一个变量，一个叫做“x“的存储空间，它的类型是“int“,意思是里面存储的是整数型的数据。

哈佛公开课 - 计算机科学课程节选