xushukui

摘要： Time Limit: 1000 MS Memory Limit: 131072 K DescriptionLong time ago, a king occupied a vast territory. Now there is a problem that he worri... 阅读全文

摘要： 单调栈与单调队列很相似。首先栈是后进先出的，单调性指的是严格的递增或者递减。 单调栈有以下两个性质： 1、若是单调递增栈，则从栈顶到栈底的元素是严格递增的。若是单调递减栈，则从栈顶到栈底的元素是严格递减的。 2、越靠近栈顶的元素越后进栈。 单调栈与单调队列不同的地方在于栈只能在栈顶操... 阅读全文

摘要： Largest Rectangle in a Histogram Time Limit: 1000MS Memory Limit: 65536K Total Submissions: ... 阅读全文

摘要： time limit per test1 second memory limit per test256 megabytes inputstandard input outpu... 阅读全文

摘要： Problem Description A Fibonacci sequence is calculated by adding the previous two members the sequence, with the first two members being both ... 阅读全文

摘要： ## Nearest Neighbor Search ##Input file: standard input Output file: standard output Time limit: 1 second Memory limit: 1024 megabyt... 阅读全文

摘要： You have number a, whose decimal representation quite luckily contains digits 1, 6, 8, 9. Rearrange the digits in its decimal representation so that t... 阅读全文

摘要： Simon has a prime number x and an array of non-negative integers a1, a2, ..., an.Simon loves fractions very much. Today he wrote out number on a piec... 阅读全文

摘要： A triangle field is numbered with successive integers in the way shown on the picture below. The traveller needs to go from the cell with number M to ... 阅读全文

摘要： Mr. Santa asks all the great programmers of the world to solve a trivial problem. He gives them an integer m and asks for the number of positive integ... 阅读全文