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program3.c

@@ -0,0 +1,151 @@
+#include <stdio.h> 
+int main()
+{
+	int board[9][9]={{0,1,2,0,7,0,0,0,3},
+	{6,0,0,1,9,5,0,0,0},
+	{0,9,8,0,0,0,0,6,0},
+	{8,0,0,0,6,0,0,0,3},
+	{4,0,0,8,0,3,0,0,1},
+	{7,0,0,0,2,0,0,0,6},
+	{0,6,0,0,0,0,2,8,0},
+	{0,0,0,4,1,9,0,0,5},
+	{0,0,0,0,8,0,0,7,9}};
+	int a[9][9];//设置不同的区块 
+	int q,p,r=0;
+	/*************定义块*******************/ 
+	for(q=0;q<3;q++)//section 1 
+	{
+		for(p=0;p<3;p++)
+		{
+				a[0][r++]=board[q][p];
+		}
+	}
+	r=0;
+	for(q=0;q<3;q++)//section 2 
+	{
+		for(p=3;p<6;p++)
+		{	
+				a[1][r++]=board[q][p];	
+		}
+	}r=0;
+	for(q=0;q<3;q++)//section 3 
+	{
+		
+		for(p=6;p<9;p++)
+		{
+				a[2][r++]=board[q][p];
+		}
+	} r=0;
+	for(q=3;q<6;q++)//section 4 
+	{
+		
+		for(p=0;p<3;p++)
+		{
+				a[3][r++]=board[q][p];
+		}
+	}r=0;
+	for(q=3;q<6;q++)//section 5 
+	{
+		for(p=3;p<6;p++)
+		{
+				a[4][r++]=board[q][p];
+		}
+	} r=0;
+	for(q=3;q<6;q++)//section 6
+	{
+		for(p=6;p<9;p++)
+		{
+			
+				a[5][r++]=board[q][p];
+		}
+	} r=0;
+	for(q=6;q<9;q++)//section 7
+	{
+		for(p=0;p<3;p++)
+		{
+				a[6][r++]=board[q][p];
+		}
+	} r=0;
+	for(q=6;q<9;q++)//section 8
+	{
+		for(p=3;p<6;p++)
+		{
+				a[7][r++]=board[q][p];
+		}
+	}	 r=0;
+	for(q=6;q<9;q++)//section 9
+	{
+		for(p=6;p<9;p++)
+		{
+				a[8][r++]=board[q][p];
+		}
+	}
+	//设置区块结束 ,将每个区块的数转移为每一行的数，再判断行是否重复 
+	 
+	int i,j,k,t=0,h=0;
+	int n=0;
+	printf("The original Sudoku matrix:\n"); 
+	/*************检索行*******************/ 
+	for(i=0;i<9;i++)//先判断行是否重复 
+	{
+		for(j=0;j<9;j++)
+		{
+			for(k=0;k<9;k++)//对第j行的数进行判断在该行内是否重复，若重复则跳出循环 
+			{	
+			  if(board[i][j]==board[i][k]&&j!=k&&board[i][j]!=0)
+			  {  
+			  n=board[i][j];
+				goto flagone;//在某一行重复出现 
+			  }
+		    }
+		}
+	}
+	/*************检索列*******************/ 
+	for(h=0;h<9;h++)//判断列是否重复 
+	{
+		for(j=0;j<9;j++)
+		{
+			for(k=0;k<9;k++)
+			{
+				if(board[j][h]==board[k][h]&&j!=k&&board[j][h]!=0) 
+				{
+					n=board[j][h];
+					goto flagtwo;//在某一列重复出现	
+				}
+			}
+		}
+	}
+	/*************检索块*******************/ 
+	for(i=0;i<9;i++)//先判断行(块)是否重复 
+	{
+		for(j=0;j<9;j++)
+		{
+			for(k=0;k<9;k++)//对第j行（块）的数进行判断在该行（块）内是否重复，若重复则跳出循环 
+			{	
+			  if(a[i][j]==a[i][k]&&j!=k&&a[i][j]!=0)
+			  {  
+			  n=a[i][j];
+				goto flagthree;//在某一行（块）重复出现 
+			  }
+		    }
+		}
+	/*************结果*******************/ 
+	if(n==0)
+	{
+		printf("True:Invalid initial Sudoku matrix!\n");
+	 } 
+	}if(n!=0){
+	flagone:
+	    printf("False:Invalid initial Sudoku matrix!\n");
+		printf("The number %d in the col %d has been used!\n",n,i+1);
+	return 0;
+	flagtwo:
+		printf("False:Invalid initial Sudoku matrix!\n");
+		printf("The number %d in the row %d has been used!\n",n,h+1);
+	return 0;
+	flagthree:
+		printf("False:Invalid initial Sudoku matrix!\n");
+		printf("The number %d in the block %d has been used!\n",n,i+1);
+	return 0;
+	}
+}