#include<iostream> using namespace std; int n,k; int main(){ cin>>n; k=1; 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<<k; k++; cout<<endl; } return 0; } /************************************************************** Problem: 1008 User: liyunshuo Language: C++ Result: Accepted Time:4 ms Memory:2072 kb ****************************************************************/