Maximum triplet sum in array | This function assumes that there are at least three elements in arr [ ] . ; sort the given array ; After sorting the array . Add last three element of the given array ; Driven code
function maxTripletSum ( arr , n ) { arr . sort ( ) ; return arr [ n - 1 ] + arr [ n - 2 ] + arr [ n - 3 ] ; } let arr = [ 1 , 0 , 8 , 6 , 4 , 2 ] ; let n = arr . length ; document . write ( maxTripletSum ( arr , n ) ) ;