Submission #3788644

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Source Code Expand

def digit_sum(x):
    res = 0
    while x > 0:
        res += x % 10
        x //= 10
    return res


N = int(input())

t = float('inf')
for a in range(1, N // 2 + 1):
    b = N - a
    t = min(t, digit_sum(a) + digit_sum(b))
print(t)

Submission Info

Judge Result