delete pics to save space

history_source/ccf 入门篇/U4/4.4.3.cpp

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