diff --git a/题目2.cpp b/题目2.cpp
deleted file mode 100644
index 308e558..0000000
--- a/题目2.cpp
+++ /dev/null
@@ -1,44 +0,0 @@
-#include<stdio.h>
-#include<stdlib.h>
-#include<time.h>
-int a[10][10]={0};
-void random()
-{
-	int i=1,j=1,x,y;
-	while(j<=3){
-		i=1;
-	while(i<=9)
-	{
-		x=rand()%3;
-		y=rand()%9;
-		if(a[x+1+(j-1)*3][y+1]==0)
-		{
-			a[x+1+(j-1)*3][y+1]=i;i++;
-		}
-	}
-	j++;
-    }
-}
-void format(int s[][10])
-{
-    printf("-------------------------\n");
-    for(int i=1;i<10;i++)
-    {
-    	printf("| ");
-        for(int j=1;j<10;j++)
-        {
-        	
-        	printf("%d ",s[i][j]);
-        	if(j%3==0) printf("| ");
-		}
-		printf("\n");
-		if(i%3==0) printf("-------------------------\n");
-    }
-}
-int main()
-{
-	random();
-	format(a);
-	return 0;
-}
-