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[AtCoder]ABC-156|B - Digits
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提出結果
def getIntMap():
return map(int, input().split())
def main():
n, k = getIntMap()
c = 0
while True:
m = n % k
c += 1
n = n // k
if n == 0:
break
print(c)
if __name__ == "__main__":
main()
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