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1156. Two RoundsTime limit: 2.0 secondMemory limit: 64 MBThere are two rounds in the Urals Championship. The competitors have to solveNproblems on eac... 阅读全文
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1155. TroubleduonsTime limit: 0.5 secondMemory limit: 64 MBArchangel of the Science is reporting:“O, Lord! Those physicists on the Earth have discover... 阅读全文
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1153. SupercomputerTime limit: 2.0 secondMemory limit: 64 MBTo check the speed of JCN Corporation new supercomputer it was decided to figure out the s... 阅读全文
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1152. False MirrorsTime limit: 2.0 secondMemory limit: 64 MBBackgroundWe wandered in the labyrinth for twenty minutes before finally entering the larg... 阅读全文
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1150. Page NumbersTime limit: 1.0 secondMemory limit: 64 MBJohn Smith has decided to number the pages in his notebook from 1 toN. Please, figure out t... 阅读全文