摘要:
Descrption The only printer in the computer science students' union is experiencing an extremely heavy workload. Sometimes there are a hundred jobs in 阅读全文
摘要:
Description XiaoMi walks down stairs from two floors. There are hs 0<h<20,0<s<20 How many schemes are there for downstairs? Input Two num: h,s Output 阅读全文