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#55053: 使用長除法避免NA


scottcccc (unknown)

a248. 新手訓練 ~ 陣列應用 -- 新手訓練系列 ~ 2 | From: [208.127.158.146] | 發表日期: 2026-05-14 22:11

while True:
    try:
        a, b, c = map(int, input().split())
       
        integer = a // b
        remainder = a % b
       
        decimal = []
        for _ in range(c):
            remainder *= 10
            decimal.append(str(remainder // b))
            remainder %= b
       
        print(f"{integer}.{''.join(decimal)}")
       
    except:
        break
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