POPSUGAR JavaScript

loneSurvivor.js

var loneSurvivor = function () {
  // create a list of players
  var players = [];
  for (var i = 1; i <= 100; i++) {
    players.push(i);
  }
  
  // how many to step over
  var step = 0;
  var iterations = 0;
  // repeat as long as their are multiple players
  while (players.length > 1) {
    // remove this player from the list
    players.splice(step, 1);
    iterations++;
    step += iterations;
    step %= players.length;
  }
  
  // return the lone survivor
  // The player is sitting in chair 31
  return players[0];
};