Question
诪住讘讬讘 诇砖讜诇讞谉 注讙讜诇 讬讜砖讘讬诐 诇驻讞讜转 砖诇讜砖讛 讗谞砖讬诐, 诪转讜讻诐 t 讚讜讘专讬 讗诪转 讜- f 砖拽专谞讬诐.
讚讜讘专讬 讗诪转 转诪讬讚 讗讜诪专讬诐 讗诪转, 砖拽专谞讬诐 转诪讬讚 诪砖拽专讬诐.
讻诇 讗讞讚 诪讛诐 讟讜注谉, 砖砖谞讬 讛砖讻谞讬诐 砖诇讜 讛诐 诪讗讜转讜 住讜讙. 诪讛 讬讻讜诇 诇讛讬讜转 注专讱 讛讬讞住 `f/t`?
注诇讬讱 诇诪爪讜讗 讗转 讻诇 讛转砖讜讘讜转 讛讗驻砖专讬讜转.
Difficulty level (1 very easy - 10 very hard): 1
Topics:
Logic
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Reasoning / Logic
Combinatorics
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Case Analysis / Checking Cases
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Processes / Procedures
Logic
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Truth-tellers and Liars Problems
- Israeli IMO Selection, 2012, Stage A Question 3
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