“Write a program that given 4 coin denominations and a dollar amount finds the best way to express that amount using the coins given.
“Given a set of people, one of them is a celebrity. You have a 2D array which describes which people know each other, that is [N, M] is true if N knows M. The celebrity will not know anyone (except…”
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“Given a page size and a number, align the number with the nearest page.