diff --git a/t2.cpp b/t2.cpp
deleted file mode 100644
index e8b279c..0000000
--- a/t2.cpp
+++ /dev/null
@@ -1,72 +0,0 @@
-#include <stdio.h>
-#include <stdlib.h>
-#include <time.h>
-int board[9][9] = {0}, f[9] = {0};
-void f1()
-{
-    printf("|");
-    for (int i = 0; i < 23; i++)
-    {
-        printf("-");
-    }
-    printf("|\n");
-}
-void operate()
-{
-    for (int i = 0; i < 9; i++)
-    {
-        if (i % 3 == 0)
-        {
-            f1();
-        }
-        printf("| ");
-        for (int j = 0; j < 9; j++)
-        {
-            if (j % 3 == 0 && j)
-            {
-                printf("| ");
-            }
-            printf("%d ", board[i][j]);
-        }
-        printf("|\n");
-    }
-    f1();
-}
-void random(int n)
-{
-    int k = 9;
-    while (k)
-    {
-        int i = rand() % 3, j =rand() % 9;
-        i += (n - 1) * 3;
-        if (f[i] == 0)
-        {
-            if (board[i][j] == 0)
-            {
-                board[i][j] = k;
-                k--;
-            }
-        }
-        int cnt = 0;
-        for (int m = 0; m < 9; m++)
-        {
-            if (board[i][m])
-            {
-                cnt++;
-            }
-        }
-        if (cnt == 3)
-        {
-            f[i] = 1;
-        }
-    }
-}
-int main()
-{
-    printf("Ëæ»ú¾ØÕóΪ£º\n");
-    srand(time(NULL));
-    random(1);
-    random(2);
-    random(3);
-    operate();
-}
\ No newline at end of file