ABC083 B - Some Sums

提出

code: python

n, a, b = list(map(int, input().split()))

ans = 0

for i in range(1, n+1):

digitSum = sum(list(map(int, str(i))))

if (digitSum >= a and digitSum <= b):

ans += i

print(ans)

メモ

digitSum = sum(list(map(int, str(i))))