August 2025
Intermediate
216 pages
5h 41m
Japanese
Content preview from Pythonレベルアップドリル 初心者から一歩進むための厳選問題集
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20
整数n、mを受け取ります。また、m 進数に変換した結果を保持する変数を宣言
します。
10進数の値を m 進数に変換し、各桁の数字を決めるときのことを考えてみましょ
う。ある10進数の値をmで割ったときの余りをm^0の位（1桁目）の数字とし、商
をさらにmで割った余りをm^1の位（2桁目）の数字とする……という処理を繰り
返すことで、各桁の数字が決まります。
nをmで割り、余りを変数baseに文字列として連結していきます。商が0になっ
たらwhile 文の繰り返し処理を終了し、変数 baseの文字列を逆順に出力します。
01
n, m = [int(x) for x in input().split()]
02
03
base = ""
04
while n > 0:
05
base += str(n % m)
06
n //= m
07
08
print(base[::-1])
★★★★★
4
★★★
★★
連続する2日間の最高気温の差が3度以上あるとき、「寒暖差がある」と呼ぶこと
にします。10日分の最高気温のデータが与えられるので、この中に前日と比べて寒
暖差がある日が存在するかどうかを調べてください。
入力される値
1行で 10日分の最高気温を表す数値a_1、a_2、……、a_10が半角スペース区切り
で与えられます。
159
Chapter
8
159
a_1 a_2 …… a_10
すべてのテストケースにおいて、以下の条件を満たします。 ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.