摘要:
Find the nth digit of the infinite integer sequence 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, ...Note:n is positive and will fit within the range of a 32-bit signed integer (n < 231).Example 1:Input:3Output:... 阅读全文
posted @ 2017-07-18 22:57
xiejunzhao
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