package computer;
import java.util.Arrays;import java.util.Random;
import java.util.Scanner;
public class SerachFunction {
public static int[] allnum=new int[20];
// picture ...like a picture
public void picOne(){
System.out.println("************");
System.out.println("1.选择排序");
System.out.println("2.冒泡排序");
System.out.println("3.插入排序");
System.out.println("4.全排列");
System.out.println("5.数字分解为数字和");
System.out.println("6.杀死小朋友问题");
System.out.println("7.阶乘");
System.out.println("8.双色球");
System.out.println("9.100-1000的水仙花数");
System.out.println("10.正数分解因数");
System.out.println("11.恐怖的事情 千万不要输入11");
System.out.println("输入-1退出");
System.out.println("输入-2查看问题注释");
System.out.println("************");
}
public void picTwo(){
System.out.println("注意输入单个字符参数(根据选项输入,多个参数以逗号分割): ");
}
public void picThree(){
System.out.println("5号问题为输入某一数字 出现这个数字可由哪些数字相加而得");
System.out.println("6号问题为9(输入)个已编号的小朋友围一圈报数1,2,3报到3的拖出去xx问剩下的小朋友是几号");
}
public void picFour(){
System.out.println("0>_<0~");
System.out.println("恐怖的事情发生了...说了不要点...");
System.out.println("楼主累死了....");
}
// main
public static void main(String[] args){
SerachFunction fc=new SerachFunction();
fc.inputFunction();
}
public void inputFunction(){ //接受指令并调用相关函数
int command;
char[] params;
Scanner sc=new Scanner(System.in);
while(true){
picOne();
if((command=sc.nextInt())==-1){
break;
}
picTwo();
params=getParamsArray(sc.next());
System.out.println();
switch(command){
case 1:
selectSort(params);
break;
case 2:
bubbleSort(params);
break;
case 3:
insertionSort(params);
break;
case 4:
fullArray(params,0);
break;
case 5:
resolveNum(getQuondam(params),0);
break;
case 6:
killChildren(getQuondam(params));
break;
case 7:
factorial(getQuondam(params),1);
break;
case 8:
twoColorBall();
break;
case 9:
daffodil();
break;
case 10:
int all=0;
primeFactor(getQuondam(params),0);
break;
case 11:
picFour();
break;
case -2:
picThree();
break;
}
System.out.println("Y(^_^)Y");
}
System.out.println("(*^_^*)");
}
/*
* com function
* */
public char[] getParamsArray(String params){
params=params.replaceAll(",","");
return params.toCharArray();
}//to get char[] params
// 选择排序
public void selectSort(char[] params){
for(int i=0;i<params.length-1;i++){
for(int m=i+1;m<params.length;m++){
if(params[i]>params[m]){
changePlace(params,m,i);
}
}
}
showChar(params);
System.out.println("选择排序结束");
}
//冒泡排序
public void bubbleSort(char[] params){
for(int i=params.length-1;i>0;i--){
for(int m=0;m<i;m++){
if(params[m]>params[m+1]){
changePlace(params,m,m+1);
}
}
}
showChar(params);
System.out.println("冒泡排序结束");
}
//插入排序
public void insertionSort(char[] params){
for(int i=1;i<params.length;i++){
for(int m=i-1;m>=0;m--){
if(params[m+1]<params[m]){
changePlace(params,m+1,m);
}
}
}
showChar(params);
System.out.println("插入排序结束");
}
//全排列
public void fullArray(char[] params,int begin){
if(begin==params.length){
showChar(params);
}
for(int i=begin;i<params.length;i++){
if(begin<=params.length){
changePlace(params,begin,i);
fullArray(params,begin+1);
changePlace(params,begin,i);
}
}
}
//数字分解为数字和
public void getAllNum(int[] num,int end){
System.out.print("分解方式:");
for(int i=0;i<end;i++){
System.out.print(num[i]);
if(i+1!=end){
System.out.print(',');
}
}
System.out.println("");
}
public int getArrayT(int[] num,int end){
int tot=0;
for(int i=0;i<end;i++){
tot+=num[i];
}
return tot;
}
public boolean getShoud(int[] num,int end){
for(int i=0;i<end;i++){
if(i+1<end){
if(num[i+1]<num[i]){
return false;
}
}
}
return true;
}
public void resolveNum(int num,int begin){
if(getArrayT(allnum,begin)==num){
if(getShoud(allnum,begin)){
getAllNum(allnum,begin);
}
}
for(int i=1;i<=num;i++){
if(getArrayT(allnum,begin)<=num){
allnum[begin]=i;
resolveNum(num,begin+1);
}
}
}
// 杀死小朋友
public void killChildren(int child){
int alivechild=child;
int num=0;
int index=0;
boolean[] childisdead=new boolean[child];
Arrays.fill(childisdead,true);
while(alivechild!=1){
if(childisdead[index]){
num++;
if(num%3==0){
alivechild--;
childisdead[index]=false;
num=0;
}
}
index++;
if(index==child)
index=0;
}
for(int i=0;i<childisdead.length;i++){
if(childisdead[i])
System.out.println((int)(i+1)+"号小朋友还活着");
}
}
//阶乘
public void factorial(int end,long output){
if(end==1){
System.out.println(output);
return;
}
output=output*end;
factorial(end-1,output);
}
//two color ball;
public void twoColorBall(){
int[] redball=new int[6];
int blueball=(int)(Math.random()*15+1);
int index=0;
while(true){
boolean bol=true;
int red=(int)(Math.random()*32+1);
for(int i=0;i<=index;i++){
if(red==redball[index]){
bol=false;
}
}
if(bol){
redball[index]=red;
index++;
}
if(index==6){
break;
}
}
System.out.print("红色:");
for(int i=0;i<6;i++){
System.out.print(redball[i]+",");
}
System.out.println("");
System.out.println("蓝色:"+blueball);
}
//水仙花
public void daffodil(){
int hundreds=0,decade=0,unit=0;
System.out.print("水仙花数:");
for(int i=100;i<1000;i++){
hundreds=i/100;
decade=(i%100)/10;
unit=(i%100)%10;
hundreds=hundreds*hundreds*hundreds;
decade=decade*decade*decade;
unit=unit*unit*unit;
if(i==(hundreds+decade+unit)){
System.out.print(i+",");
}
}
System.out.println("");
}
//分解为因数
public void getPriShow(int[] num,int end){
System.out.print("分解方式:");
for(int i=0;i<end;i++){
System.out.print(num[i]);
if(i+1!=end){
System.out.print('*');
}
}
System.out.println("");
}
public void primeFactor(int num,int begin){
if(num==1){
if(getShoud(allnum,begin)){
getPriShow(allnum,begin);
}
return;
}
for(int i=2;i<=num;i++){
if(num%i==0){
allnum[begin]=i;
primeFactor(num/i,begin+1);
}
}
}
//展示char数组
public void showChar(char[] params){
for(int i=0;i<params.length;i++){
System.out.print(params[i]);
if(i+1!=params.length){
System.out.print(',');
}
}
System.out.println("");
}
//两数换位置
public void changePlace(char[] params,int begin,int end){
int act;
act=params[begin];
params[begin]=params[end];
params[end]=(char) act;
}
//得到原数
public int getQuondam(char[] num){
return Integer.parseInt(String.valueOf(num));
}
}
//水仙花水的那个就是
追问吓死我了,我以为一个花朵数程序就那么大了。
大侠,我还是新手,你能不能简单点啊,我只要花朵数程序