Currency Exchange Time Limit: 1000MS Memory Limit: 30000K Total Submissions: 22123 Accepted: 7990 Description Several currency exchange points are working in our city. Let us suppose that each point specializes in two particular currencies and pe
题意:题目大意:有N个点,给出从a点到b点的距离,当然a和b是互相可以抵达的,问从1到n的最短距离 poj2387 Description Bessie is out in the field and wants to get back to the barn to get as much sleep as possible before Farmer John wakes her for the morning milking. Bessie needs her beauty sleep, s
Arbitrage Time Limit: 1000MS Memory Limit: 65536K Total Submissions:27167 Accepted: 11440 Description Arbitrage is the use of discrepancies in currency exchange rates to transform one unit of a currency into more than one unit of the same currenc
Wormholes Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 35103 Accepted: 12805 Description While exploring his many farms, Farmer John has discovered a number of amazing wormholes. A wormhole is very peculiar because it is a one-way p
js原生的循环有两种,一般的for循环和for...in循环.还有一种常用jQuery.each()循环. 一. js原生循环 a. for循环,代码如下: var myArray = [1,2,3];for (var i = 0; i < myArray.length; i++) { console.log(myArray[i]);}; console: 1,2,3 b. for...in循环,代码如下: var myArray = [1,2,3];for (var arr in my
js原生的循环有两种,一般的for循环和for...in循环.还有一种常用jQuery.each()循环. 一. js原生循环 a. for循环,代码如下: var myArray = [1,2,3];for (var i = 0; i < myArray.length; i++) { console.log(myArray[i]);}; console: 1,2,3 b. for...in循环,代码如下: var myArray = [1,2,3];for (var arr in my