Design an efficient algorithm (pseudo code) that track the k shortest strings (not sorted) seen so far, assuming a string length function that takes unit time. The strings are presented in “streaming” fashion and cannot be revisited if not saved. For example, if we want to keep 3 shortest strings (k = 3) from the following input stream: cat, watermelon, elephant, milk, rocket88; the output result is cat, milk, elephant. Analyze the complexity of your algorithm in terms the required number k of shortest strings, and the input stream size n.

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