Created
October 27, 2014 17:31
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| # 問題: 5, 6, 7, 8, 9, 1, 0, 1, 1, 1, 2, 1, 3, ... | |
| # という数列のn番目の数字を求める関数を書け | |
| f = (n) -> n + 5 | |
| solve = (index)-> | |
| ret = "" | |
| while true | |
| ret += f(cnt++) | |
| if ret.length > index | |
| return ret[index] | |
| console.log 'answer', solve(7) |
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