Update program1.c

program1.c

@@ -4,12 +4,19 @@
 
 void dayin(int board[9][9])
 {
-	for (int i = 0; i < 9; i++) {
-		for (int c = 0; c < 9; c++) {
-			printf("%d ", board[i][c]);
-		}
-		printf("\n");
-	}
+for (int i = 0; i < 9; i++) {
+        for (int j = 0; j < 9; j++) {
+            printf("%d ", arr[i][j]);
+            if ((j + 1) % 3 == 0 && j < 8) {
+                printf("| ");
+            }
+        }
+        printf("\n");
+        if ((i + 1) % 3 == 0 && i < 8) {
+            printf("-----------------------\n");
+        }
+    }
+}
 }
 int board1[9][9] = { {5,3,4,6,7,8,9,1,2},
 {6,7,2,1,9,5,3,4,8},