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第二题.cpp

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+#include <stdio.h>
+#include <time.h>
+#include <stdlib.h>
+int main()
+{
+	int board[9][9]={{0}};
+	srand(time(NULL));
+	int temp1;
+	int temp2;
+	int temp3;
+	int temp4;
+	int temp5;
+	int temp6;
+	int x[9]={0};
+	int a=0; 
+	while(a<9)
+	{
+		temp1=rand()%3;
+		temp2=rand()%9;
+		if(board[temp1][temp2]==0&&x[temp1]<3)
+		{
+			board[temp1][temp2]=a+1;
+			x[temp1]=x[temp1]+1;
+			a++;
+		}
+	}
+	a=0; 
+	while(a<9)
+	{
+		temp3=rand()%3+3;
+		temp4=rand()%9;
+		if(board[temp3][temp4]==0&&x[temp3]<3)
+		{
+			board[temp3][temp4]=a+1;
+			x[temp3]=x[temp3]+1;
+			a++;
+		}
+	}
+	a=0; 
+	while(a<9)
+	{
+		temp5=rand()%3+6;
+		temp6=rand()%9;
+		if(board[temp5][temp6]==0&&x[temp5]<3)
+		{
+			board[temp5][temp6]=a+1;
+			x[temp5]=x[temp5]+1;
+			a++;
+		}
+	}
+	int i,j;
+	for(i=0;i<9;i++) 
+	{
+    	if (i%3==0) 
+    	{
+        	printf("|-----------|\n");
+    	}
+    	for(j = 0; j < 9; j++) 
+    	{
+        	if (j % 3 == 0) 
+        	{	
+            	printf("|");
+        	}
+        	printf("%d", board[i][j]);
+    	}
+    	printf("|\n");
+	}
+	printf("|-----------|\n");
+}