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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リストのデータ型が持つreverseメソッドを用いることでも、逆順でソートできます。なお、
reverseメソッドは、sort メソッドと同様、元のリストの順序を変えます。
リスト.reverse()
One
Point
★★★★★
9
1行目に整数 n、m、2 行目にn個の整数a_1、a_2、……、a_n が与えられます。
n個の整数に含まれている m の個数を出力してください。
入力される値
1行目に整数 n、m、2 行目にn個の整数a_1、a_2、……、a_n が与えられます。
n m
a_1 a_2 …… a_n
また、入力される値は、次の条件を満たします。
n、mは 1 以上 10以下の整数
a_i(1≦i≦n)は 1 以上 10以下の整数
入力値最終行の末尾に改行が1 つ入る
期待する出力
n個の整数に含まれている m の個数を出力してください。
5 1
1 1 1 2 2
3
97
Chapter
5
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.