⌨️

[AtCoder]ABC-389|B - tcaF

2025/01/30に公開

設問ページ

提出結果

def getInt():
    return int(input())


def main():
    X = getInt()

    f = 1
    for i in range(2, X):
        f *= i
        if f == X:
            print(i)
            break


if __name__ == "__main__":
    main()

Discussion