How to get all intersections between two simple polygons in O(n+k?

How do I get to Humber College North Campus from Winston Churchill, Mississauga via Bus?

• How do I get there using public transit? 205 Humber College Boulevard in Toronto from Winston Churchill Boulevard & Argentia Rd in Mississauga or Winston Churchill Blvd & Derry Rd? I'm in the middle of these two major intersections D: TTC (I don`t know if TTC gets to Mississauga) or GO Station

• Answer:

  Now it is clear! - Walk to Winston Churchill Boulevard. - Take MiWay route 38 or 38A Creditview "northbound" to Meadowvale Town Centre. Please be reminded that along Winston Churchill Boulevard, Route 38/38A ironically goes southbound to Meadowvale so please wait along the southbound side of Winston Churchill to catch the "northbound" bus. - Pay the appropriate fare. - Ask the driver for a transfer. - Get off at Meadowvale Town Centre. - At Meadowvale Town Centre, take MiWay Route 42 Derry eastbound to Westwood Mall. - Show your transfer to the driver. Don't ditch it yet! - Get off at Westwood Mall. - At Westwood Mall, take MiWay Route 22 eastbound to William Osler Health Centre. - Show your transfer to the driver. You can ditch the transfer. - Route 22 Finch stops at Humber College North Campus. Let the automated announcements guide you. - Get off at Humber College.