在我所有的程序错误中，80%是语法错误，剩下20%里，80%是简单的逻辑错误，在剩下4%里，80%是指针错误，只有余下的0.8%才是困难的问题
Of all my programming bugs, 80% are syntax errors. Of the remaining 20%, 80% are trivial logical errors. Of the remaining 4%, 80% are pointer errors. And the remaining 0.8% are hard.