Dawn-K's water 1000ms 262144K Dawn-K recently discovered a very magical phenomenon in the supermarket of Northeastern University ...
Guanguan s Happy water ms K Rather than drinking happy water, Guanguan loves storing happy water. So he bought a refrigerator and storeda iai bottles of cola into it every day. When the storage is fin ...
2019-09-14 17:26 0 399 推荐指数:
Dawn-K's water 1000ms 262144K Dawn-K recently discovered a very magical phenomenon in the supermarket of Northeastern University ...
A. 2:40:11(-7) solved by zcz 通过旋转使得抓人的在左下角,逃得在右上角 结论是逃得一定在右上 或者 右下 左上被抓住,找到规律枚举一下即可 ...
Code K-Rabbits hdu6227 http://acm.hdu.edu.cn/ ...
题目链接: 题意:有 n 个人围成一个圈,从 1 开始报到第 k 个人出环,问第 m 个出环的人是谁,n、m、k <= 1e18 且 min(m,k)<= 2e6。 题解:容易得出O(m)的递推公式 f[n][m] = (f[n-1][m-1] + k - 1)% n ...
出发日 中午坐大巴前往萧山机场。 哇开心又可以坐飞机了 飞机延误了。在候机大厅里十分无聊,先用机场的电脑玩了会小游戏 然后偷偷切了2个水题 (什么编译器IDE都没有,只能记事本了) 飞机上什么东西都没有,饿着肚子 降落前耳朵十分不适 沈阳好像没有想象中的冷……? 到了宾馆之后先放 ...
Happy Equation Time Limit: 1 Second Memory Limit: 65536 KB Little Sub has just received an equation, which is shown below, as his ...
摸了一整场的鱼,签了个到,做了个FFT还忘记初始化赛后才发现 B.00:16:52 solved by hl 很显然前缀和搞搞就行了,但是卡O(N),要O(M) ...
【K题】Guanguan's Happy water 题意:其实就是求当前节点的前k个的期望值 对n分两种情况: 1.n<=k-----直接就加到a[1...n] 2.n>k----ans=suma+f[k+1...n] 最需要注意的是里面的数据类型:非常需要注意,能取模 ...