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668. Kth Smallest Number in Multiplication Table

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Description

Nearly every one have used the Multiplication Table. But could you find out the k-th smallest number quickly from the multiplication table?

Given the height m and the length n of a m * n Multiplication Table, and a positive integer k, you need to return the k-th smallest number in this table.

Example 1:

Input: m = 3, n = 3, k = 5

Output: 

Explanation: 

The Multiplication Table:

1	2	3

2	4	6

3	6	9



The 5-th smallest number is 3 (1, 2, 2, 3, 3).

Example 2:

Input: m = 2, n = 3, k = 6

Output: 

Explanation: 

The Multiplication Table:

1	2	3

2	4	6



The 6-th smallest number is 6 (1, 2, 2, 3, 4, 6).

Note:

1. The m and n will be in the range [1, 30000].
2. The k will be in the range [1, m * n]

Solutions

Python3

Java

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