for((i = 0; i <= 10000; i += 1))
do
    ./g 300000 > t/g
    ./m < t/g > t/m
    ./b < t/g > t/b

    if diff t/m t/b > /dev/null
    then
        echo "OK $i"
    else
        echo "WA $i"
        exit 0
    fi
done