Empty deq_pts() if a new (disconnected) polygon
Empty deq_pts() if a new (disconnected) polygon

- Fb Hackercup '20 Round 1, 10

Signed-off-by: Karel Ha <70f8965fdfb04f1fc0e708a55d9e822c449f57d3@gmail.com>

mathemage/CompetitiveProgramming,mathemage/CompetitiveProgramming,mathemage/CompetitiveProgramming,mathemage/CompetitiveProgramming,mathemage/CompetitiveProgramming,mathemage/CompetitiveProgramming