Black and white painting 题目描述 You are visiting the Centre Pompidou which contains a lot of modern paintings. In particular you notice one painting which consists solely of black and white squares, arranged in rows and columns like in a chess board (n…
有一个大小为50000的数组,要求开启5个线程分别计算10000个元素的和,然后累加得到总和 /** * 开启5个线程进行计算,最后所有的线程都计算完了再统计计算结果 */ public class Test5 { private static Random random = new Random(); public static void main(String[] args) { //数组大小 ; //定义数组 int[] numbers = new int[size]; //随机初始化数组…
题目来源:https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=3&page=show_problem&problem=38 Ecological Bin Packing Background Bin packing, or the placement of objects of certain weights into different bins subject…
题目链接:1323: Repeat Number Description Definition: a+b = c, if all the digits of c are same ( c is more than ten),then we call a and b are Repeat Number. My question is How many Repeat Numbers in [x,y]. 定义:a + b = c,如果 c 的每一位数字相同(c > 10),那么我们就把 a 和 b 称…