LeetCode 441. Arranging Coins | Iterative Staircase Simulation Solution (C++)

This tutorial provides a comprehensive guide to solving LeetCode Problem #441: "Arranging Coins." We explain the concept of complete staircase rows using simple examples and implement a highly efficient iterative simulation approach in C++.

Problem Overview: 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.

Technical Analysis:

Approach: Iterative Simulation (Repeated Subtraction)
Time Complexity: O(√n)
Space Complexity: O(1)
Key Concepts:

- Understanding arithmetic progressions and staircase structures.
- Simulating resource allocation step-by-step.
- Using a simple while loop to track completed rows.
- Writing optimized, constant-space C++ code.

Problem Solving: https://leetcode.com/problems/arranging-coins/

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Видео LeetCode 441. Arranging Coins | Iterative Staircase Simulation Solution (C++) канала Zeel Kundariya