Update: Rename folder name to XSMOJ

XSMOJ/数字菱形.cpp

@@ -0,0 +1,25 @@
+#include <iostream>
+using namespace std;
+int main()
+{
+    int n;
+    cin>>n;
+    for (int i=1;i<=n;i++)
+    {
+        for (int j=1;j<=n-i;j++)
+               cout<<" ";
+        for (int j=1;j<=2*i-1;j++)
+               cout<<1;
+        cout<<endl;
+    }
+     
+    for(int i=n-1;i>=1;i--)
+    {
+        for(int j=1;j<=n-i;j++)
+            cout<<" ";
+        for(int j=1;j<=2*i-1;j++)
+            cout<<1;
+        cout<<endl;
+    }
+    return 0;
+}