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About LinkBacks"There are N people in a party (N>=4). With every group of 4 people, there is a person who is accustomed to 3 other remain people.
Show that there is a person who is accustomed to (N-1) remain people."
"There are N people in a party (N>=4). With every group of 4 people, there is a person who is accustomed to 3 other remain people.
Show that there is a person who is accustomed to (N-1) remain people."
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