console.log("Hello World!");
function getTimes(n){
if(n<1) return 0;
for(var times = 0; n>0; n >>= 1){
(n&1) && times++;
}
return times;
}
console.time("ElapsedTime")
for(var max=20,i=0; i<max; i++){
console.log(i,getTimes(i),(i).toString(2));
}
console.timeEnd("ElapsedTime")