摘要：
【题目描述】 The figure shown on the left is left-right symmetric as it is possible to fold the sheet of paper along a vertical line, drawn as a da... 阅读全文
摘要：
【题目描述】 The GeoSurvComp geologic survey company is responsible for detecting underground oil deposits.GeoSurvComp works with one large rectang... 阅读全文
摘要：
【题目描述】 A quadtree is a representation format used to encode images. The fundamental idea behind the quadtree is that any image can be split i... 阅读全文
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【题目描述】 Each year, fall in the North Central region is accompanied by the brilliant colors of the leaves on the trees, followed quickly by the... 阅读全文
摘要：
【题目描述】 Before being an ubiquous communications gadget, a mobile was just a structure made of strings and wires suspending colourfull things. ... 阅读全文