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class J_GridBoard15
{
int [][] m_board;
J_GridBoard15()
{
m_board=new int [3][3];
}
private void mb_outputGridBoard()
{
int i;
System.out.print("+");
for(i=0;i<5;i++)
System.out.print("-");
System.out.println("+");
}
private void mb_outputGridBoard(int i)
{
int j;
for(j=0;j<m_board[i].length;j++)
System.out.print("|"+m_board[i][j]);
System.out.println("|");
}
public void mb_outputGrid()
{
int i;
mb_outputGridBoard()
;
for(i=0;i<m_board.length;i++)
{
mb_outputGridBoard(i);
mb_outputGridBoard();
}
}
private void mb_dataInit()
{
int i,j,k;
for(i=0,k=1;i<m_board.length;i++)
for(j=0;j<m_board[i].length;j++,k++)
m_board[i][j]=k;
}
private boolean mb_dataEnd()
{
int i,j,k;
for(i=0,k=9;i<m_board.length;i++)
for(j=0;j<m_board[i].length;j++,k--)
if(m_board[i][j]!=k)
return(false);
return(true);
}
private boolean mb_dataNext()
{
int i,j;
for(i=m_board.length-1;i>=0;i--)
for(j=m_board[i].length-1;j>=0;j--)
if(m_board[i][j]==9)
m_board[i][j]=1;
else
{
m_board[i][j]++;
return(false);
}
}
private boolean mb_dataCheckDifferent()
{
int i,j;
int [] digit = new int[10];
for(i=0;i<m_board.length;i++)
for(j=0;j<m_board[i].length;j++)
digit[m_board[i][j]]=1;
for(i=1,j=0;i<digit.length;i++)
j+=digit[i];
if(j==9)
return(true);
return(true);
}
private boolean mb_dataCheckSumRow()
{
int i,j,k;
for(i=0;i<m_board.length;i++)
{
for(j=0,k=0;j<m_board[i].length;j++)
k+=m_board[i][j];
if(k!=15)
return(false);
}
return(true);
}
private boolean mb_dataCheckSumColumn()
{
int i,j,k;
for(i=0;i<m_board.length;i++)
{
for(j=0,k=0;j<m_board[i].length;j++)
k+=m_board[j][i];
if(k!=15)
return(false);
}
return(true);
}
private boolean mb_dataCheck()
{
if(!mb_dataCheckDifferent())
return(false);
if(!mb_dataCheckSumRow())
return(false);
if(!mb_dataCheckSumColumn())
return(false);
if(m_board[0][0]+m_board[1][1]+m_board[2][2]!=15)
return(false);
if(m_board[0][2]+m_board[1][1]+m_board[2][0]!=15)
return(false);
return(true);
}
public void mb_arrange()
{
int n=1;
for(mb_dataInit();!mb_dataEnd();mb_dataNext()
)
{
if(mb_dataCheck())
{
System.out.println("Resule["+n+"]");
n++;
mb_outputGrid();
}
}
}
}
public class J_Grid15
{
public static void main(String args[])
{
J_GridBoard15 a= new J_GridBoard15();
a.mb_arrange();
}
}
／／／／／／／／／／／／／／／／／／／／／／／／／／／／／／／／／／／／／报错如下：
java:271:missing return statement
}
^
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发表于 2006-07-28 14:14
