829. Consecutive Numbers Sum LeetCode Solution | Easy Approach

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Consecutive Numbers Sum Given an integer n, return the number of ways you can write n as the sum of consecutive positive integers.

Example 1:

Input: n = 5
Output: 2
Explanation: 5 = 2 + 3

Example 2:

Input: n = 9
Output: 3
Explanation: 9 = 4 + 5 = 2 + 3 + 4

Example 3:

Input: n = 15
Output: 4
Explanation: 15 = 8 + 7 = 4 + 5 + 6 = 1 + 2 + 3 + 4 + 5

Constraints:

  • 1 <= n <= 109

Consecutive Numbers Sum Solutions

Time: O(n)
Space: O(n)

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