public static int binarySearch(float time, int left, int right){
        long tStart, tEnd, msecs;
        int q=(left+right)/2;
        int[]tmpArr=befuelle(q);
        tStart=System.currentTimeMillis();
        bubblesort(tmpArr);
        tEnd=System.currentTimeMillis();
        msecs=tEnd-tStart;
        if(msecs<(time*1000)+100&&msecs>(time*1000)-100){
            return q;
        }else{

            if(msecs<=time*1000){
                return binarySearch(time,left,q);
            }else{
                return binarySearch(time,q+1,right);
            }
        }
    }