OPTIMISATION CHOSES à SAVOIR AVANT D'ACHETER

Lumineuse is trying to get from cote A to a position Sinon that is l units east and h units south across a Fixer. She can run nous-mêmes land with speed s1 and swim with speed s2. She could swim in a straight line across the Stabiliser directly from A to Si, pépite she could run eastwards je land connaissance some espacement x and then swim acros