First, start with 100 bananas. Walk 5 meters, eat half, put down 99 bananas and go back with half.

Then carry 100. Walk 5 meters, eat half, put down 99 bananas and go back with half.

Recite the rest three times and set off. Walk 5 meters, eat half and leave half.

So I walked five meters and spent two and a half hours, with an average consumption of 1.5 meters.

Cycle, run three times at a time.

Until 200m, 100 was eaten.

Now it has become

First, start with 100 bananas. Walk 5 meters, eat half, put down 99 bananas and go back with half.

Then set out with the rest. Walk 5 meters, eat half and leave half.

So I walked 5 meters and spent 1.5 yuan, with an average consumption of 1.3 yuan.

Loop, run twice at a time.

Until 333.3m, almost ate 100 root.

It's only 100 now. Just carry it home.

Distance: 1000-200-333.3 = 466.7 meters.

There are 46 left. So there are only 54 left.