[백준 2446번] 별찍기-2446

https://www.acmicpc.net/problem/2446

2446번: 별 찍기 - 9

n = int(input())
lines = 2*n
for i in range(1, lines):
    starNum = 2*(n-i)+1 if i <= n else 2*(i-n)+1
    spaceNum = i-1 if i <= n else lines-i-1
    print(spaceNum*' ' + starNum * '*')