RICP 888 + 888 + 88*8*8/(8+8) - 88 - 8 - 8 + (8 + 8) / 8 Diagnostic (0/800)

You have exactly 88 minutes and 88 seconds to solve 8 problems. The contest will start exactly 88 seconds after CCA starts and end 8*8/(8+8) seconds before CCA ends. Rules: NO generative AI. This diagnostic is mainly to assess your CP skill currently. Google is allowed, but DO NOT google for the editorials of problems and copy code. You may want to mark the websites you visit so you can add their content into your NOI notes. Remember to grab subtasks! Problems in nondecreasing order of estimated difficulty. If you already solved a problem before, you may skip it.