/**
- @param w number
- @return number
*///wzy
var Solution = function(w){
if(w<=10) { var a=w*0.32 return a.toFixed(2) } if(w>10&&w<=20) { var b=3.2+(w-10)*0.64 return b.toFixed(2) } if(w>20) {//wzy var c=3.2+6.4+(w-20)*0.96 return c.toFixed(2) }
}
/**
*///wzy
var Solution = function(w){
if(w<=10) { var a=w*0.32 return a.toFixed(2) } if(w>10&&w<=20) { var b=3.2+(w-10)*0.64 return b.toFixed(2) } if(w>20) {//wzy var c=3.2+6.4+(w-20)*0.96 return c.toFixed(2) }
}