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LeetCode 1362. Closest Divisors

2023-08-14 12:41 作者:您是打尖兒還是住店呢  | 我要投稿

Given an integer?num, find the closest two integers in absolute difference whose product equals?num + 1?or?num + 2.

Return the two integers in any order.

?

Example 1:

Input: num = 8

Output: [3,3]

Explanation: For num + 1 = 9, the closest divisors are 3 & 3, for num + 2 = 10, the closest divisors are 2 & 5, hence 3 & 3 is chosen.

Example 2:

Input: num = 123

Output: [5,25]

Example 3:

Input: num = 999

Output: [40,25]

?

Constraints:

  • 1 <= num <= 10^9


Hide Hint 1

Find the divisors of n+1 and n+2.

Hide Hint 2

To find the divisors of a number, you only need to iterate to the square root of that number.


Runtime:?6 ms, faster than?82.52%?of?Java?online submissions for?Closest Divisors.

Memory Usage:?40.3 MB, less than?28.16%?of?Java?online submissions for?Closest Divisors.

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