AC，∑ndless

Fibonacci Again http://acm.hdu.edu.cn/showproblem.php?pid=1021 http://acm.zju.edu.cn/onlinejudge/showProblem.do?problemCode=2060 Time Limit: 2000/1000 MS (Java/Others)     Memory Limit

http://acm.zju.edu.cn/onlinejudge/showProblem.do?problemCode=3762 思路：（转自这篇文章） 假设拥有最大高的三角形是ABC，如下图 结合此图我们可以看出最大高是点C到直线AB，在这种情况下，下列两个假设至少有一个成立1.点C是所有点中距离点A最远的2.点C是所有点中距离点B最远的 反证：（这里先证明在AB上侧成立的情况

Multiplication Puzzle http://poj.org/problem?id=1651 Time Limit: 1000MS Memory Limit: 65536K Description The multiplication puzzle is played with a row of cards, each contai

LIS(最长递增子序列)：有一列互不相等数arr[n]，从中取出k个数使得lis[k]单调递增，求k的最大值。 读一个数就计算一次。当它是第一个数时，我们就把它存到lis[1]； 当它不是第一个数时，就在lis中查找小于它且离它最近的数lis[i]，加到lis中(替换掉lis[i+1])， 找不到的话就说明它最小，我们替换掉lis[1]； 注意两点： 1. 请使用二分查找

Second-price Auction http://acm.zju.edu.cn/onlinejudge/showProblem.do?problemCode=3202 Time Limit: 1 Second      Memory Limit: 32768 KB Do you know second-price auction? It's very simple bu

575 - Skew Binary Time limit: 3.000 seconds http://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=24&page=show_problem&problem=516 When a number is expressed in decimal,

442 - Matrix Chain Multiplication Time limit: 3.000 seconds Suppose you have to evaluate an expression like A*B*C*D*E where A,B,C,D and E are matrices. Since matrix multiplication is associative,

Argus Time Limit: 2 Seconds      Memory Limit: 65536 KB A data stream is a real-time, continuous, ordered sequence of items. Some examples include sensor data, Internet traffic, financial ticker

439 - Knight Moves Time limit: 3.000 seconds http://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=105&page=show_problem&problem=380 http://acm.hdu.edu.cn/showproblem.php?

10714 - Ants Time limit: 3.000 seconds http://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=113&page=show_problem&problem=1655 An army of ants walk on a horizontal pole o

10038 - Jolly Jumpers Time limit: 3.000 seconds http://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=24&page=show_problem&problem=979 http://poj.org/problem?id=2575 ht

10282 - Babelfish Time limit: 3.000 seconds  http://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=24&page=show_problem&problem=1223 http://acm.zju.edu.cn/online