#include<bits/stdc++.h> using namespace std; #include<cstdio> int main(){ int n,i,j; cin>>n; n=n+1; for(i=1;i<=n-1;i++) { for(j=1;j<=n-i;j++) cout<<" "; for(j=1;j<=2*i-1;j++) cout<<"*"; cout<<endl; } for(i=n;i>=1;i--) { for(j=1;j<=n-i;j++) cout<<" "; for(j=1;j<=2*i-1;j++) cout<<"*"; cout<<endl; } } /************************************************************** Problem: 1071 User: fandaohan Language: C++ Result: Accepted Time:11 ms Memory:2072 kb ****************************************************************/