Problem 163. Love triangles

Created by the cyclist

Given a vector of lengths [a b c], determines whether a triangle with non-zero area (in two-dimensional Euclidean space, smarty!) could have sides of those lengths.

Examples:

[1 2 1000] ---> false

[3 4 5] ---> true

[5 5 5] ---> true

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1 Comment

Gaik Tamazian on 17 Feb 2012

Tests with sides that are not sorted should be added.

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Solution 82066

1 Comment

Binbin Qi on 25 Apr 2012

no range??

Solution 68410

1 Comment

Peter Wittenberg on 31 Mar 2012

I wanted to try out the Hankel here. This is more than necessary. It checks to see that the sum of all pairs of sides are greater than the remaining side. You really only need to do this to compare against the maximum length side.

Solution 27245

1 Comment

Yvan Lengwiler on 1 Mar 2012

This is just bad, only gaming the test suit. There is nothing to be learned from this.

Problem 163. Love triangles

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