diff --git a/菱形.cpp b/菱形.cpp
new file mode 100644
index 0000000..4d41f48
--- /dev/null
+++ b/菱形.cpp
@@ -0,0 +1,41 @@
+
+ 
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+ 
+int main()
+{
+ int line = 0;
+ printf("��ӡ���У�");
+ scanf("%d", &line);
+ int i = 0;
+ for (i = 0; i < line; i++)  //�ϲ��ִ�ӡ
+ {
+  int j = 0;
+  for (j = 0; j < line - 1 - i; j++) //��ӡ�ո�
+  {
+   printf(" ");
+  }
+  for (j = 0; j < 2 * i + 1; j++) //��ӡ*
+  {
+   printf("*");
+  }
+  printf("\n");
+ }
+ for (i = 0; i < line - 1; i++) //�²��ִ�ӡ
+ {
+  int j = 0;
+  for (j = 0; j <= i; j++)//��ӡ�ո�
+  {
+   printf(" ");
+  }
+  for (j = 0; j < 2 * (line - 1 - i) - 1; j++)// ��ӡ*
+  {
+   printf("*");
+  }
+  printf("\n");
+ }
+        system("pause");
+ return 0;
+}