#include <iostream> using namespace std; int main() { int n; cin >> n; for (int i = 1; i <= n; i++) { for (int j = 1; j <= n - i; j++) { cout << " "; } for (int k = 1; k <= 2 * i - 1; k++) { cout << k; } cout << endl; } return 0; } /************************************************************** Problem: 1787 User: fuyijun Language: C++ Result: Accepted Time:40 ms Memory:2072 kb ****************************************************************/