我在做一個magicsquare程序,允許用戶輸入數字> 0來形成magicsquare。多麼神奇的正方形,幾乎是一個正方形,這意味着n必須有n(平方)的數字。就像ticTacToe一樣,所有的行,列和對角線都有相同的總和,被認爲是一個神奇的正方形當我運行我的程序時,它總是會混淆2D數組集合,並聲稱這組數字通常是magicsquare,並不一定如此。請幫忙!程序未按預期運行
import java.util.Scanner;
public class SquareRunner
{
public static void main(String[] args)
{
Scanner in = new Scanner(System.in);
Square test = new Square();
System.out.println("Enter a row of integers. When you are finished, type 'n' in a new line");
boolean flag = false;
while(!flag)
{
String numbers = in.next();
if(numbers.equals("n"))
flag = true;
else
test.add(numbers);
}
test.isMagic();
}
}
public class Square
{
private int[][] values;
private int row;
public Square()
{
row = 0;
}
public void add(String numbers)
{
int b = 1;
int amount = numbers.length();
values = new int[amount][amount];
for(int j =0;j<amount;j++)
{
String a = numbers.substring(j,b);
int convert = Integer.parseInt(a);
values[row][j] = convert;
b++;
}
row++;
}
public Boolean isMagic()
{
int checkAmountColumns = values[0].length;
int checkAmountRows = values.length;
int isSquare = checkAmountColumns * checkAmountRows;
for(int q = 0;q<values.length;q++)
{
for(int w=0;w<values[0].length;w++)
{
int checkZero = values[q][w];
if(checkZero == 0)
{
System.out.print("To be a perfect square, your number of rows and columns, n must be a perfect ");
System.out.println("Square i.e. 9 total numbers is 3 numbers per row");
return false;
}
}
}
if(checkAmountColumns != checkAmountRows || Math.sqrt(isSquare) != checkAmountColumns)
{
System.out.print("To be a perfect square, your number of rows and columns, n must be a perfect ");
System.out.println("Square i.e. 9 total numbers is 3 numbers per row");
return false;
}
else
{
int magicNumber = 0;
int counter = 0;
int compareTo = 0;
//row to row
for(int i =0;i<values.length;i++)
{
for(int j = 0;j<values[0].length;j++)
{
values[i][j] += compareTo;
if(counter == 0)
values[i][j] += magicNumber;
}
counter ++;
compareTo = 0;
if(compareTo != magicNumber)
{
System.out.println("This Selection of numbers is not a perfect square");
return false;
}
}
//column to column
for(int i =0;i<values[0].length;i++)
{
for(int j = 0;j<values.length;j++)
{
values[j][i] += compareTo;
if(counter == 0)
values[j][i] += magicNumber;
}
counter ++;
compareTo = 0;
if(compareTo != magicNumber)
{
System.out.println("This Selection of numbers is not a perfect square");
return false;
}
}
System.out.println("This selection of numbers is a MagicSquare!");
return true;
}
}
}
這功課嗎? – 2012-02-12 18:36:06