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题目：outputstandard outputOne daynfriends gathered together to play "Mafia". During each round of the game some player must be the supervisor and othern - 1people take part in the game. For eac...

题目：Ivan has an array consisting ofnelements. Each of the elements is an integer from1ton.Recently Ivan learned about permutations and their lexicographical order. Now he wants to change (repl...

题目：Recently Maxim has found an array ofnintegers, needed by no one. He immediately come up with idea of changing it: he invented positive integerxand decided to add or subtract it from arbitrary...