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python 10進数の各桁の足し算

atcoder.jp 解法1 よく出現するものであるので関数を作っておく n, a, b = map(int, input().split()) def calc_num_sum(number): sum = 0 while (number > 0): sum += number % 10 number //= 10 return sum ans = 0 for i in range(1, n+1): if a <= calc_…

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