Flaneur in the rain - i

Suppose you're sauntering about Saint-Germain, Paris, from one cafe to the next, staying only as long as it takes you to knock down a few Brilliant problems. You're wrapping up at Brasserie Lipp and want to go to Cafè de Flore, which is across the road.

The only problem is: it's pouring rain!

If you want to make it from one cafe to the next while staying as dry as possible, how should you move?


  • vrv_r and vwv_w are the speeds at which you can run or walk across the road, respectively, with vw<vrv_w < v_r.

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