总结:不敢爱你么开口 package com.sads; ///实现随机输出100个数字,数字是0到9之间,每行输出10个 public class Wss { public static void main(String[] args) { int a[] = new int[100]; for (int i = 0; i < 100; i++) { a[i] = (int) (Math.random() * 10); } for (int i = 0; i < 100; i++) { if
实用的随机数生成类Random:测试(使用Random类随机生成100个不重复的正整数) 一.之前我们使用随机数用的是Math类的random()方法: tips: 产生随机数(0~9中任意整数)的方法:int random = (int)(Math.random()*10); 1.商场幸运抽奖程序. 会员号的百位数字等于产生的随机数即为幸运会员. public class GoodLuck{ public static void main(String[] args){ //产生随机数 int
1209. 1, 10, 100, 1000... Time limit: 1.0 secondMemory limit: 64 MB Let's consider an infinite sequence of digits constructed of ascending powers of 10 written one after another. Here is the beginning of the sequence: 110100100010000… You are to find
先上题目: 1209. 1, 10, 100, 1000... Time limit: 1.0 secondMemory limit: 64 MB Let's consider an infinite sequence of digits constructed of ascending powers of 10 written one after another. Here is the beginning of the sequence: 110100100010000… You are t