Impossible is Nothing

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Problem ? Lift Hopping Time Limit: 1 second Ted the bellhop:  "I'm coming up and if there isn't a dead body by the time I...

Problem B: Mall Mania Waterloo has two giant shopping malls, each enclosing several city blocks. Kim and Pat like to shop and to walk wit...

    Problem A: The Monocycle   A monocycle is a cycle that runs on one wheel and the one we will be considering is a bit more speci...

  The New Villa   Mr. Black recently bought a villa in the countryside. Only one thing bothers him: although there are light switch...

Problem A ACM CONTEST AND BLACKOUT In order to prepare the “The First National ACM School Contest”(in 20??) the major of the city ...

Problem C: Arctic Network The Department of National Defence (DND) wishes to connect several northern outposts by a wireless network. Two...