【编程题】计算器的新功能
题目：计算器的新功能
附上提交通过的Java版代码
题目描述
当你学一些可视化程序设计语言时，老师经常会让你设计并且编程做出一个计算器，这时也许你会仿照windows系统自带的计算器外观和功能去设计，但是现在老师要你多做出一个有新功能的计算器，实现当输入一个数时，能够将这个数分解成一个或多个素因子乘积的形式，并按素因子的大小排列显示出来。大家对计算器中数的表示应该很清楚的。下面显示出了0 — 9这十个数字的表示形式。每个数字都占据5 * 3大小的字符区域
你能实现这个新功能吗？试试看吧！
1 import java.util.ArrayList; 2 import java.util.List; 3 import java.util.Scanner; 4 5 public class Computer { 6 7 public static void main(String[] args) { 8 Scanner input = new Scanner(System.in); 9 while(input.hasNextInt()){ 10 int n = input.nextInt(); 11 List deposeList = despose(n); 12 // System.out.println(deposeList); 13 printResult(deposeList); 14 } 15 } 16 17 private static void printResult(List deposeList) { 18 int number = deposeList.size(); 19 String[] line1 = {" - "," "," - "," - "," "," - "," - "," - "," - "," - "}; 20 String[] line2 = {"| |"," |"," |"," |","| |","| ","| "," |","| |","| |"}; 21 String[] line3 = {" "," "," - "," - "," - "," - "," - "," "," - "," - "}; 22 String[] line4 = {"| |"," |","| "," |"," |"," |","| |"," |","| |"," |"}; 23 String[] line5 = {" - "," "," - "," - "," "," - "," - "," "," - "," - "}; 24 StringBuffer printLine1 = new StringBuffer(); 25 StringBuffer printLine2 = new StringBuffer(); 26 StringBuffer printLine3 = new StringBuffer(); 27 StringBuffer printLine4 = new StringBuffer(); 28 StringBuffer printLine5 = new StringBuffer(); 29 for(int i = 0; i < number; i++){ 30 String stringNum = deposeList.get(i).toString(); 31 // System.out.println(stringNum); 32 for(int j = 0; j<stringNum.length(); j++){ 33 printLine1.append(line1[stringNum.charAt(j)-'0']); 34 printLine2.append(line2[stringNum.charAt(j)-'0']); 35 printLine3.append(line3[stringNum.charAt(j)-'0']); 36 printLine4.append(line4[stringNum.charAt(j)-'0']); 37 printLine5.append(line5[stringNum.charAt(j)-'0']); 38 } 39 printLine1.append(" "); 40 printLine2.append(" "); 41 printLine3.append("*"); 42 printLine4.append(" "); 43 printLine5.append(" "); 44 } 45 int printLen = printLine1.length(); 46 printLine1.deleteCharAt(printLen-1); 47 printLine2.deleteCharAt(printLen-1); 48 printLine3.deleteCharAt(printLen-1); 49 printLine4.deleteCharAt(printLen-1); 50 printLine5.deleteCharAt(printLen-1); 51 System.out.println(printLine1); 52 System.out.println(printLine2); 53 System.out.println(printLine3); 54 System.out.println(printLine4); 55 System.out.println(printLine5); 56 } 57 58 private static List despose(int n) { 59 List deposeList = new ArrayList(); 60 int primer = 2; 61 while(primer <= n){ 62 if(primer == n){ 63 deposeList.add(primer); 64 break; 65 } 66 else if(n % primer == 0){ 67 deposeList.add(primer); 68 n = n/primer; 69 } 70 else{ 71 primer++; 72 } 73 } 74 return deposeList; 75 76 } 77 78 }
有更好的思路，欢迎指教~
