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Practice Arranging Coins

Read the task, work through the examples, and check your approach against the constraints. Use the original LeetCode task for coding and submissions.

Easy#441
LeetCode Problem

Arranging Coins

Problem Statement

You have n coins and you want to build a staircase with these coins. The staircase consists of k rows where the ith row has exactly i coins. The last row of the staircase may be incomplete. Given the integer n, return the number of complete rows of the staircase you will build.

Source: Arranging Coins on LeetCode. Use the original task for its coding environment and submissions.

Examples

# Example 1

Input
n = 5
Output
2

# Example 2

Input
n = 8
Output
3

Constraints

1 <= n <= 2^31 - 1

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