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.A. An Olympian Math Problem Alice, a student of grade 666, is thinking about an Olympian Math problem, but she feels so despair that she cries. And h 阅读全文
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Description: Didi is a curious baby. One day, she finds a curious game, which named Rock Paper Scissors Lizard Spock. The game is an upgraded version 阅读全文
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There are well-known formulas: , , . Also mathematicians found similar formulas for higher degrees. Find the value of the sum modulo 109 + 7 (so you s 阅读全文
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Description Galen Marek, codenamed Starkiller, was a male Human apprentice of the Sith Lord Darth Vader. A powerful Force-user who lived during the er 阅读全文