#include<bits/stdc++.h> using namespace std; int main(){ int n; cin >> n; for (int i = n; i >= 1; i--) { for (int j = 0; j < n - i; j++) { cout << " "; } for (int k = 0; k < 2 * i - 1; k++) { cout << i; } cout << endl; } } /************************************************************** Problem: 1788 User: yangjunwen Language: C++ Result: Accepted Time:9 ms Memory:2072 kb ****************************************************************/