this is the solution to the cats and mouse problem in hackerrank. https://www.hackerrank.com/challenges/cats-and-a-mouse/problem?isFullScreen=true

catAndMouse.js

function catAndMouse(x, y, z) {
  const diffA = Math.abs(z-x);
  const diffB = Math.abs(z-y);
  
  if(diffA === diffB) return "Mouse C";
  return diffA < diffB ? "Cat A" : "Cat B"; 
}