stall.js

#!/usr/bin/env node

const solveWith = require('./lib/solve-with')

var stall = (input) => {
  var [N,K] = input.split(' ')
  var lastChains = [];
  var curChains = [N];
  var ppl = K;
  while(true) {

    console.log('# chains:',curChains.length, '| sorting...');
    lastChains = curChains.sort().reverse();

    console.log('waiting for stall:',ppl,'| chains being processed:', lastChains.length);
    curChains = [];

    for(var i in lastChains) {
      var s = lastChains[i]-1
      var max = Math.ceil(s/2)
      var min = s-max

      ppl --;

      if(ppl == 0) {
        return max + " " + min
      }else{
        curChains.push(max)
        curChains.push(min);
      }
    }
  }
}

solveWith(stall,process.argv[2],process.argv[3])