这题标程是错的,网上很多题解也是错的. http://acm.hdu.edu.cn/showproblem.php?pid=4975 2014 Multi-University Training Contest 10 A simple Gaussian elimination problem. Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s)…
hdu4888 Redraw Beautiful Drawings Time Limit: 3000/1500 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others) Total Submission(s): 2007 Accepted Submission(s): 447 Problem Description Alice and Bob are playing together. Alice is crazy abou…
今天先谈下弗洛伊德判环,弗洛伊德判环原来是在一个圈内有两人跑步,同时起跑,一人的速度是另一人的两倍,则那个人能在下一圈追上另一个人,弗洛伊德判环能解数字会循环出现的题,比如说判断一个链表是不是循环链表.在程序中具体表现为 one = change(one); //一倍速度 two = change(change(two));//两倍速度 即一倍速度的人调用生成函数change一次,两倍速度的人调用生成函数change两次. Leetcode 202 Happy Number 就是这样一道简单的题…
Dwarves 时间限制: 1 Sec 内存限制: 64 MB提交: 14 解决: 4[提交][状态][讨论版] 题目描述 Once upon a time, there arose a huge discussion among the dwarves in Dwarfland. The government wanted to introduce an identity card for all inhabitants. Most dwarves accept to be small, b…
http://acm.hdu.edu.cn/showproblem.php?pid=3342 Legal or Not Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 5788 Accepted Submission(s): 2678 Problem Description ACM-DIY is a large QQ group w…
Problem UVA818-Cutting Chains Accept:393 Submit:2087 Time Limit: 3000 mSec Problem Description What a find! Anna Locke has just bought several links of chain some of which may be connected. They are made from zorkium, a material that was frequently…
Legal or Not Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 11382 Accepted Submission(s): 5346 Problem Description ACM-DIY is a large QQ group where many excellent acmers get together. It is…
Sorting It All Out Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 39602 Accepted: 13944 Description An ascending sorted sequence of distinct values is one in which some form of a less-than operator is used to order the elements from s…
One of my friends is always drunk. So, sometimes I get a bit confused whether he is drunk or not. So, one day I was talking to him, about his drinks! He began to describe his way of drinking. So, let me share his ideas a bit. I am expressing in my wo…
Several currency exchange points are working in our city. Let us suppose that each point specializes in two particular currencies and performs exchange operations only with these currencies. There can be several points specializing in the same pair o…
D. Substring time limit per test 3 seconds memory limit per test 256 megabytes input standard input output standard output You are given a graph with n nodes and m directed edges. One lowercase letter is assigned to each node. We define a path's valu…
题目描述 Bessie has been playing with strings again. She found that by changing the order of the alphabet she could make some strings come before all the others lexicographically (dictionary ordering). For instance Bessie found that for the strings "omm&…