更新了文件名。开始了数据结构

Chapter09/arr.c

@@ -0,0 +1,24 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int main()
+{
+    int *p;
+    int  num = 5;
+
+    p = malloc(sizeof(int) * num);
+
+    for (int i = 0; i < num; i++)
+    {
+        scanf("%d", &p[i]);
+    }
+    for (int i = 0; i < num; i++)
+    {
+        printf("%d ", p[i]);
+    }
+    printf("\n");
+
+    free(p);
+
+    exit(0);
+}