1.百元百鸡(2)
package com.lovo;
/**
* 百元卖百鸡
* @author Abe
*
*/
public class Homework11 {
public static void main(String[] args) {
int cock = 0 , hen = 0, chicken = 0 , num = 0;
for (chicken = 0; chicken <= 99; chicken +=3 ){
for (cock = 0; cock <= 20 ; cock++){
hen = 100 - chicken - cock;
//先算小鸡 出现了很神奇的 母鸡为负数 还刚好合适的情况……
//必须要加个验证100-x-y之后大于0的判断……
//以前之所以没出错,是因为只有公鸡和母鸡为负数的可能情况,先把公鸡母鸡范围定义了 刚好不会出错
if (hen >= 0 && (chicken / 3 + cock *5 + hen *3) == 100 ){
System.out.printf("一共买了公鸡%d只,母鸡%d只,小鸡%d只~\n",cock, hen ,chicken);
num++;
}
}
}
System.out.printf("找到了%d组符合条件的答案~~!",num);
}
}
2.七星选号
package com.lovo;
import java.util.Scanner;
/**
* 七星彩机选号程序
*
* @author Abe
*
*/
public class Homework12 {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
System.out.print("请输入你要随即购买的注数:");
if (sc.hasNextInt()) {
int i = sc.nextInt();
if (i > 0) {
for (int j = 1; j <= i; j++) {
String every = "第" + j + "注为:";
for (int k = 1; k <= 7; k++) {
every += (int) (Math.random() * 10) + " ";
}
System.out.println(every);
}
} else {
System.out.println("输入的是负数?");
}
} else {
System.out.println("输入有误!");
}
sc.close();
}
}
3.Craps赌博...做了高级版这个感觉懒得在做了…… 不过反正都是练习 就在做一次吧╮(╯_╰)╭
package com.lovo;
public class Homework13 {
/**
* Craps 赌博游戏
* @author Abe
*
*/
/**
* 摇色子程序
* 摇一个6面的色子
*
*/
public static int roll(){
return (int)(Math.random()*6 + 1);
}
public static void main(String[] args) {
int first = 0 ;
first = roll() + roll();
System.out.printf("你开始丢色子了~ 咕噜~咕噜~ 哦~ 是个%d点\n",first);
switch(first){
case 2:
case 3:
case 12:
System.out.printf("你首轮丢了个%d点,庄家赢了!( ̄ε(# ̄)☆",first);break;
case 7:
case 11:
System.out.printf("你首轮丢了个%d点,你赢了!O(∩_∩)O哈哈~",first);break;
default:
//想不到不用break跳出for搞得这么复杂……不熟练啊……
for (int num = 2 , point2 = 0 ; point2 != first && point2 != 7; num++){
point2 = roll() + roll();
System.out.printf("你丢出了色子~ 咕噜咕噜~ 哦~ 是个%d点\n",point2);
if(point2 == first){
System.out.printf("你第%d轮丢了个%d点,你赢了!o(≧v≦)o~~好棒",num,point2);
}else if(point2 == 7){
System.out.printf("你第%d轮丢了个%d点,庄家赢了!╰╮o( ̄皿 ̄///)",num,point2);
}
}
}
}//public main
}