n a^o7 ! Time Limit: 1000ms Memory limit: 65536K 有疑问?点这里^_^ 题目描述 All brave and intelligent fighters, next you will step into a distinctive battleground which is full of sweet and happiness. If you want to win the battle, you must do warm-up accord…
May Day Holiday Time Limit: 2 Seconds Memory Limit: 65536 KB As a university advocating self-learning and work-rest balance, Marjar University has so many days of rest, including holidays and weekends. Each weekend, which consists of Saturday and Sun…
Capture the Flag Time Limit: 2 Seconds Memory Limit: 65536 KB Special Judge In computer security, Capture the Flag (CTF) is a computer security competition. CTF contests are usually designed to serve as an educational exercise to give participants ex…
Beauty of Array Time Limit: 2 Seconds Memory Limit: 65536 KB Edward has an array A with N integers. He defines the beauty of an array as the summation of all distinct integers in the array. Now Edward wants to know the summation of the beauty of all…
Ace of Aces Time Limit: 2 Seconds Memory Limit: 65536 KB There is a mysterious organization called Time-Space Administrative Bureau (TSAB) in the deep universe that we humans have not discovered yet. This year, the TSAB decided to elect an outstandin…
