n = int(input()) for i in range(1, n + 1): for j in range(1, i - 1 + 1): print(' ', end='') for j in range(1, n - i + 1 + 1): print(j, end='') print() /************************************************************** Problem: 1491 User: admin Language: Python Result: Accepted Time:113 ms Memory:34480 kb ****************************************************************/