@[tompotter00](/space/show?uid=105617)
大爷您的f[x][2]什么意思……
by 913887524gsd @ 2018-10-18 16:33:45
该点的父亲有士兵
by tompotter00 @ 2018-10-18 16:49:03
@[913887524gsd](/space/show?uid=89367) 该点的父亲有士兵
by tompotter00 @ 2018-10-18 16:49:27
@[tompotter00](/space/show?uid=105617)
蛤………树形dp还要管父节点的吗……那打扰了。。。弄不来
by 913887524gsd @ 2018-10-18 16:54:02