ADD file via upload

2.cpp

@@ -0,0 +1,61 @@
+#include <stdio.h>
+#include<time.h>
+#include<stdlib.h>
+int main()
+{
+	srand(time(NULL));
+	int r,c,time;
+	int board[9][9];
+	for(r=0;r<9;r++)
+     for(c=0;c<9;c++)
+      board[r][c]=0;
+      
+    for(time=0;time<3;time++)	 
+   {  
+    	int shu[9]={1,2,3,4,5,6,7,8,9},number[9];
+    	int i,index;
+    	for(i=0;i<9;i++)
+      {
+    	index=rand()%(9-i);
+      	*(number+i)=*(shu+index);
+      	for(;index<8-i;index++)
+  	     *(shu+index)=*(shu+index+1);
+      }
+		for(r=3*time;r<3*time+3;r++)
+   	  { 
+			int place1,place2,place3;
+    	    do
+    	  {
+    		place1=rand()%9;
+    		place2=rand()%9;
+    		place3=rand()%9;
+		  }
+    		while(place1==place2||place1==place3||place2==place3);
+    		board[r][place1]=number[r%3*3];
+    		board[r][place2]=number[r%3*3+1];
+    		board[r][place3]=number[r%3*3+2];  
+      }
+   } 
+   
+	for(int i=0;i<9;i++){
+		if(i%3==0){
+			printf("|-----------------|");
+			printf("\n");
+		}
+		for(int j=0;j<9;j++){
+			if(j%3==0){
+				printf("|");
+			}
+		    printf("%d",board[i][j]);
+		    if((j+1)%3!=0){
+		    	printf(" ");
+			}
+		    if(j==8){
+		    	printf("|");
+			}
+	    }
+	    printf("\n");
+    }
+    printf("|-----------------|");
+	printf("\n");
+}