#include<bits/stdc++.h> using namespace std; int n; int main(){ 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<<j; } cout<<endl; } return 0; } /************************************************************** Problem: 1787 User: dengyuanyan Language: C++ Result: Accepted Time:14 ms Memory:2072 kb ****************************************************************/