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Vova promised himself that he would never play computer games... But recently Firestorm — a well-known game developing company — published their newes 阅读全文
posted @ 2020-02-17 17:25
DeaL57
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The only difference between easy and hard versions is constraints. There are nn kids, each of them is reading a unique book. At the end of any day, th 阅读全文
posted @ 2020-02-17 11:46
DeaL57
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Pavel loves grid mazes. A grid maze is an n × m rectangle maze where each cell is either empty, or is a wall. You can go from one cell to another only 阅读全文
posted @ 2020-02-17 11:11
DeaL57
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