<ul data-eligibleForWebStory="false">Exploring time and space complexity in algorithms before diving into coding.Measurement using Big-O notation helps ensure optimal and efficient algorithm performance.Understanding worst-case scenarios helps determine scalability and efficiency of algorithms.Various Big-O notations like O(1), O(log n), O(n), O(n log n), O(n²), O(2ⁿ), O(n!) explained.Implications of different time complexities on algorithm performance and the value of DSA.