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Chat Order Time Limit:3000MS Memory Limit:262144KB 64bit IO Format:%I64d & %I64u Submit Status Description Polycarp is a big lover of killing time in 阅读全文
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统计难题 Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 131070/65535 K (Java/Others)Total Submission(s): 39360 Accepted Submission(s): 14317 Problem 阅读全文
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Matrix Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 2650 Accepted Submission(s): 1411 Problem 阅读全文
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POJ 1330 Nearest Common Ancestors A rooted tree is a well-known data structure in computer science and engineering. An example is shown below: In the 阅读全文
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One day Vasya was going home when he saw a box lying on the road. The box can be represented as a rectangular parallelepiped. Vasya needed no time to 阅读全文