<ul data-eligibleForWebStory="true"><li>The first algorithm analyzed has a time complexity of O(N^2) due to N x N steps.</li><li>The second algorithm's time complexity is determined to be O(N^2) through mathematical calculations involving summations.</li><li>The third algorithm's time complexity is found to be O(N log(N)) based on the multiplication by 2 for each while iteration.</li><li>The fourth algorithm's time complexity is revealed to be O(N) as the geometric series converges to 2.</li></ul>

Given an (Simple) Algorithm, What it’s Time Complexity?

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