Help us understand the problem. What is going on with this article?

数学の定数を使う

More than 1 year has passed since last update.

AOJの問題を解いていて数学の定数を使う必要が出てきて、設定周りで少し困ったのでメモ。

#define _USE_MATH_DEFINES
#include <iostream>
#include <cmath>

こうするとM_PIとかすると定数が使えるようになる。
define構文がよくわかってないので勉強したい

Akutagawa
リンクをまとめるWEBサービス、「LinkClip」を開発しています
https://linkclip.biz
Why not register and get more from Qiita?
  1. We will deliver articles that match you
    By following users and tags, you can catch up information on technical fields that you are interested in as a whole
  2. you can read useful information later efficiently
    By "stocking" the articles you like, you can search right away
Comments
No comments
Sign up for free and join this conversation.
If you already have a Qiita account
Why do not you register as a user and use Qiita more conveniently?
You need to log in to use this function. Qiita can be used more conveniently after logging in.
You seem to be reading articles frequently this month. Qiita can be used more conveniently after logging in.
  1. We will deliver articles that match you
    By following users and tags, you can catch up information on technical fields that you are interested in as a whole
  2. you can read useful information later efficiently
    By "stocking" the articles you like, you can search right away
ユーザーは見つかりませんでした