freeCodeCamp/problem-223-almost-right-angled-triangles-i.english.md at b378f110ca1b0e98972d80b274d2c0a104df869f

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Oliver Eyton-Williams bd68b70f3d Feat: hide blocks not challenges (#39504 )

* fix: remove isHidden flag from frontmatter

* fix: add isUpcomingChange

Co-authored-by: Ahmad Abdolsaheb <ahmad.abdolsaheb@gmail.com>

* feat: hide blocks not challenges

Co-authored-by: Ahmad Abdolsaheb <ahmad.abdolsaheb@gmail.com>

Co-authored-by: Ahmad Abdolsaheb <ahmad.abdolsaheb@gmail.com>

2020-09-03 15:07:40 -07:00

858 B

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id, challengeType, title, forumTopicId

id	challengeType	title	forumTopicId
5900f44b1000cf542c50ff5e	5	Problem 223: Almost right-angled triangles I	301866

Description

Let us call an integer sided triangle with sides a ≤ b ≤ c barely acute if the sides satisfy a2 + b2 = c2 + 1.

How many barely acute triangles are there with perimeter ≤ 25,000,000?

Instructions

Tests

tests:
  - text: <code>euler223()</code> should return 61614848.
    testString: assert.strictEqual(euler223(), 61614848);

Challenge Seed

function euler223() {
  // Good luck!
  return true;
}

euler223();

Solution

// solution required

858 B Raw Blame History