程序员的算法趣题 javascript详解 Q06考拉兹猜想 var arr=[]; var i=2; for(;i<10000;){ var s=3*i+1; while( s!=1){ s=s%2==0?s/2:s*3+1; if(s==i){arr.push(s);} } i+=2; } alert(arr.length)