摘要:
https://atcoder.jp/contests/abc144/tasks/abc144_d (感谢 revollA 同学的解答) Problem D have two conditions 1、 water is so much x*2 >= a*a*b 2、 water is so lit 阅读全文
摘要:
https://codeforces.com/contest/1236/problem/A https://codeforces.com/contest/1236/problem/B First, we can think about putting one present in m boxs, e 阅读全文