標(biāo)題: 【轉(zhuǎn)貼】google的一道面試題,有能力就施展下吧! [打印本頁] 作者: csdsq 時間: 2006-7-15 19:18 標(biāo)題: 【轉(zhuǎn)貼】google的一道面試題,有能力就施展下吧! onsider a function which, for a given whole number n,
returns the number of ones required when writing out all numbers between 0 and n.
For example, f(13)=6. Notice that f(1)=1. What is the next largest n such that f(n)=n?