2020-2021 ICPC Nanjing F.Fireworks

F.Fireworks

Solution

记最优期望为 $f$, 其第一次燃放剩余烟花在第 $k$ 次制造烟花之后, 那么显然有:

Your browser is out-of-date!

Update your browser to view this website correctly. Update my browser now

×