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1.淘气的蜡笔小鑫 蜡笔小鑫真是又闲又淘气，他看到走廊上的灯都是灭的，就跑过去捣乱。每个灯泡都有自己的开关，用来控制灯的状态（开或者关）。如果灯灭了，按一下开关即开灯，再按一次即关灯。假设走廊里有n个灯泡，蜡笔小鑫就沿着走廊来回走n次。每次都是沿走廊走下去然后再回来，... 阅读全文
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Consider a NxM small-letters grid. SVU asked you to check whether this grid is a Cutie Pie or not A grid is a cutie pie if you can fi... 阅读全文
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Carlo Ancelotti "Real Madrid's coach" is so Sad and disappointed, and Florentino Perez fired him after getting knocked out from the UE... 阅读全文
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You have n rectangles, each of which is described by three integers i, j and k. This indicates that the lower-left corner of the rect... 阅读全文
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It was a beautiful day, the sun was shining, the sky was clear and king Omar was listening to the birds peacefully under his favorite... 阅读全文