记录下自己的点滴奋斗

Constraints Time Limit: 1 secs, Memory Limit: 32 MB Description Given a set of n integers: A={a1, a2,..., an}, we define a function d(A) as below:                                  t1     t2

Constraints Time Limit: 10 secs, Memory Limit: 32 MB Description A Bank plans to install a machine for cash withdrawal. The machine is able to deliver appropriate bills for a requested cash amou