[백준]B3-2438~41

2438번 별찍기1

*
**
***
****
*****

N = int(input())
for i in range(1, N+1):
    print("*" * i)

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2439번 별찍기2

    *
   **
  ***
 ****
*****

N = int(input())
for i in range(1, N+1):
    print(" " * (N-i) + "*" * i)

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2440번 별찍기3

*****
****
***
**
*

N = int(input())
for i in range(N, 0, -1):
    print("*" * i)

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2441번 별찍기4

*****
 ****
  ***
   **
    *

N = int(input())
for i in range(N, 0, -1):
    print(" " * (N-i) + "*" * i)