Well basically, all I'd have to do is go through and find every place I checked the constraint, and change it. To incorporate the new constraint.

比较简单，在最上方，基本上,我做的所有事情就是遍历，整段代码然后找到我对比。

麻省理工公开课 - 计算机科学及编程导论课程节选

Notice in this program I have not checked whether or not the user actually provided input.

就拿这个程序说事吧，我们根本没有检查,用户到底有没有输入。

哈佛公开课 - 计算机科学课程节选

I have not checked the length of the variable called nan.

没有检查变量的长度。

哈佛公开课 - 计算机科学课程节选