Computer 时限:1000ms Problem Description A school bought the first computer some time ago(so this c ...
Computer 时限:1000ms Problem Description A school bought the first computer some time ago(so this c ...
Godfather 时限:2000ms Description Last years Chicago was full of gangster fights and strange mur ...
这题写得心累(ˇωˇ」∠)_ 题面大家都有吧 Luogu P5024 BZOJ 5466 题意 ~~完了我现在在难受到什么都不想写...┐(‘~`;)┌ ~~ 有棵树,可以花\(p_i\ ...
The more, The Better 时限:2000ms Problem Description ACboy很喜欢玩一种战略游戏,在一个地图上,有N座城堡,每座城堡都有一定的宝物, ...
题目链接 loj2542 题解 设\(f[i][S]\)表示从\(i\)节点出发,走完\(S\)集合中的点的期望步数 记\(de[i]\)为\(i\)的度数,\(E\)为边集,我们很容易写出状态 ...