freeCodeCamp

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id	challengeType	title	forumTopicId
5900f3c11000cf542c50fed4	5	Problem 85: Counting rectangles	302199

Description

By counting carefully it can be seen that a rectangular grid measuring 3 by 2 contains eighteen rectangles:

a diagram of the different rectangles found within a 3 by 2 rectangular grid

Although there exists no rectangular grid that contains exactly two million rectangles, find the area of the grid with the nearest solution.

Instructions

Tests

tests:
  - text: <code>countingRectangles()</code> should return a number.
    testString: assert(typeof countingRectangles() === 'number');
  - text: <code>countingRectangles()</code> should return 2772.
    testString: assert.strictEqual(countingRectangles(), 2772);

Challenge Seed

function countingRectangles() {

  return true;
}

countingRectangles();

Solution

// solution required

1.3 KiB Raw Blame History