Skip to content

Commit

Permalink
Update 2023.12.31
Browse files Browse the repository at this point in the history
  • Loading branch information
SoulTree-Lovers committed Dec 30, 2023
1 parent e4cea4b commit bc79464
Showing 1 changed file with 23 additions and 0 deletions.
23 changes: 23 additions & 0 deletions Silver_I/1527.py
Original file line number Diff line number Diff line change
@@ -0,0 +1,23 @@
# 금민수의 개수

def count_gumminsu(A, B):
def generate_gumminsu(n):
# 금민수를 생성하는 함수
if n > B:
return 0
count = 0
if n >= A:
count += 1
count += generate_gumminsu(n * 10 + 4) # 4를 추가한 경우
count += generate_gumminsu(n * 10 + 7) # 7을 추가한 경우
return count

result = generate_gumminsu(0)
return result

# 입력 받기
A, B = map(int, input().split())

# 금민수 개수 출력
result = count_gumminsu(A, B)
print(result)

0 comments on commit bc79464

Please sign in to comment.