2637 - 打印图形

no input needed

   1
  121
 12321
1234321

Solution C++

#include<bits/stdc++.h>
using namespace std;
int main()
{
	cout<<"   1"<<endl;
	cout<<"  121"<<endl;
	cout<<" 12321"<<endl;
	cout<<"1234321"<<endl; 
	return 0;
}