> If the integers from 1 to 999,999,999 are written as words, sorted alphabetically, and concatenated, what is the 51 billionth letter?
Are we supposed to include spaces in this concatenated string?
lupire 3 days ago [-]
> If the integers from 1 to 999,999,999 are written as words, sorted alphabetically, and concatenated, what is the 51 billionth letter?
In a series of posts, mathematician Dylan Thurston and computer scientist / linguist Chung-chieh Shan solve this problem step by step, introducing concepts such as monoids and differentiation along the way, use the programming language Haskell.
Are we supposed to include spaces in this concatenated string?
In a series of posts, mathematician Dylan Thurston and computer scientist / linguist Chung-chieh Shan solve this problem step by step, introducing concepts such as monoids and differentiation along the way, use the programming language Haskell.
Epilogue: Discussion with a representative from ITA Software, the creators of the problem: http://conway.rutgers.edu/~ccshan/wiki/blog/posts/WordNumber...