摘要：
ZipperTime Limit:1000MSMemory Limit:65536KTotal Submissions:14425Accepted:5110DescriptionGiven three strings, you are to determine whether the third string can be formed by combining the characters in the first two strings. The first two strings can be mixed ... 阅读全文
摘要：
Oil DepositsTime Limit:2 Seconds Memory Limit:65536 KBThe GeoSurvComp geologic survey company is responsible for detecting underground oil deposits. GeoSurvComp works with one large rectangular region of land at a time, and creates a grid that divides the land into numerous square plots. It then ana 阅读全文
摘要：
Tempter of the BoneTime Limit:2 Seconds Memory Limit:65536 KBThe doggie found a bone in an ancient maze, which fascinated him a lot. However, when he picked it up, the maze began to shake, and the doggie could feel the ground sinking. He realized that the bone was a trap, and he tried desperately to 阅读全文