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P2519: problem a [HAOI2011]

Problem Description: N students are in classroom, the ith student says there are students that have scores higher than me and students that have scores lower than me(There might exist same scores). Please give out the minimum possible number of students that are lying. Input Format: First line with one […]

P2515: Software Installation [HAOI2010]

Problem Description: You have computer with M amount of storage. There are N softwares you are going to install on the computer. The ith computer takes amount of storage and has a value of . There are also dependencies between softwares. Specifically, the ith software can be installed only if   is installed. Every software […]