Little Tiger vs. Deep Monkey Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65535/65535 K (Java/Others)Total Submission(s): 960    Accepted Submission(s): 344 Problem Description A crowd of little animals is visiting a mysterious laboratory…

题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=4822 Problem Description Three countries, Red, Yellow, and Blue are in war. The map of battlefield is a tree, which means that there are N nodes and (N – 1) edges that connect all the nodes. Each country…

题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=4816 Problem Description The Bathysphere is a spherical deep-sea submersible which was unpowered and lowered into the ocean on a cable, and was used to conduct a series of dives under the sea. The Bathys…

题目链接:http://acm.split.hdu.edu.cn/showproblem.php?pid=4821 解题报告:搞了很久,总算搞出来了,还是参考了一下网上的解法,的确很巧,和上次湘潭的比赛中的一个求平方和的题目思路很类似. 首先说一下hash,简单来说就是y = hash(x),有很多函数,可以参考这里:https://www.byvoid.com/blog/string-hash-compare/ 然后,我用的是这个:写法简单,而且重复的可能较小. // BKDR Hash Fu…

Hard Code http://acm.hdu.edu.cn/showproblem.php?pid=4813 #include<cstdio> ]; int main(){ int t,n,m; while(~scanf("%d",&t)){ while(t--){ scanf("%d%d%s",&n,&m,op); ;i<n;i++){ ;j<m;j++){ printf("%c",op[i*…

Problem Description Elves are very peculiar creatures. As we all know, they can live for a very long time and their magical prowess are not something to be taken lightly. Also, they live on trees. However, there is something about them you may not kn…

http://acm.hdu.edu.cn/showproblem.php?pid=5441 Travel Time Limit: 1500/1000 MS (Java/Others)    Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 2061    Accepted Submission(s): 711 Problem Description Jack likes to travel around the wo…

http://acm.hdu.edu.cn/showproblem.php?pid=5444 Elven Postman Time Limit: 1500/1000 MS (Java/Others)    Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 939    Accepted Submission(s): 520 Problem Description Elves are very peculiar crea…

Elven Postman Time Limit: 1500/1000 MS (Java/Others)    Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 591    Accepted Submission(s): 329 Problem Description Elves are very peculiar creatures. As we all know, they can live for a very…

Ponds                                   Time Limit: 1500/1000 MS (Java/Others)    Memory Limit: 131072/131072 K (Java/Others)                                        Problem Description Betty owns a lot of ponds, some of them are connected with other…