for ((i=0; i<4; i++))
do
    for ((j=1000; j<20000; j=j*2))
    do
        SUM=0
        for ((k=0; k<$1; k++))
        do
            R=$(a.out $i $j)
            ARR=($R)
            #echo $ARR
            #echo "TIME: ${ARR[2]}"
            SUM=$(echo "$SUM + ${ARR[2]}" | bc -l)
            #echo "SUM $SUM"
        done
        AVG=$(echo "$SUM / $1" | bc -l)
        echo "$i $j AVERAGE over $1: $AVG"
    done
done