Question: A. Give an example on which First-Fit does at least as bad as (5/3 * OPT). B. Consider a more restricted algorithm than First-Fit, called

A. Give an example on which First-Fit does at least as bad as (5/3 * OPT).

B. Consider a more restricted algorithm than First-Fit, called Next-Fit, which tries to pack the next item only in the most recently started bin. If it does not fit, it is packed in a new bin. Show that this algorithm also achieves factor 2. Give a factor 2 tight example.

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