* feat(tools): add seed/solution restore script * chore(curriculum): remove empty sections' markers * chore(curriculum): add seed + solution to Chinese * chore: remove old formatter * fix: update getChallenges parse translated challenges separately, without reference to the source * chore(curriculum): add dashedName to English * chore(curriculum): add dashedName to Chinese * refactor: remove unused challenge property 'name' * fix: relax dashedName requirement * fix: stray tag Remove stray `pre` tag from challenge file. Signed-off-by: nhcarrigan <nhcarrigan@gmail.com> Co-authored-by: nhcarrigan <nhcarrigan@gmail.com>
1.1 KiB
1.1 KiB
id, title, challengeType, videoUrl, dashedName
id | title | challengeType | videoUrl | dashedName |
---|---|---|---|---|
5900f41e1000cf542c50ff30 | 问题177:整数角四边形 | 5 | problem-177-integer-angled-quadrilaterals |
--description--
设ABCD为凸四边形,对角线为AC和BD。在每个顶点处,对角线与两侧中的每一侧形成一个角度,从而产生八个角度角。
例如,在顶点A处,两个角度是CAD,CAB。我们称之为四边形,当以“整角四边形”度数度量时,所有八个角度角都具有整数值。整数角度四边形的示例是正方形,其中所有八个角度角都是45°。另一个例子是DAC = 20°,BAC = 60°,ABD = 50°,CBD = 30°,BCA = 40°,DCA = 30°,CDB = 80°,ADB = 50°。非相似整数角度四边形的总数是多少?注意:在计算中,如果计算出的角度在整数值的10-9范围内,则可以假定计算出的角度是整数。
--hints--
euler177()
应返回129325。
assert.strictEqual(euler177(), 129325);
--seed--
--seed-contents--
function euler177() {
return true;
}
euler177();
--solutions--
// solution required