OJ Board

how can i draw these examples?
i think the first knot must be 1, since we start "walking" from a extreme... dont?
It isn't easy to draw the examples because the notation used is underspecified. You need to know not only if you have an undercrossing or overcrossing but also the orientation of the ...

Here you get some inputs to play with:

-3 +6 -4 +2 +1 -7 -6 +4 -2 +3 +5 -1 +7 -5 0
-8 +5 +4 -2 -5 +8 -1 +3 -9 -7 +6 -4 +2 -6 +7 +1 -3 +9 0
6 -7 +2 +9 +3 -4 +8 -10 +1 -5 +7 -2 +5 -6 -9 -1 +10 -3 +4 -8 0
-9 +14 -11 +6 -15 -8 +4 -13 +1 +10 -6 -12 -3 +7 -2 +11 -14 +9 -10 +15 +12 +5 -7 -4 +13 +2 -5 ...

Hello!
After 3 days of coding and testing I feel feel like I finally have solved the problem. Using all test cases on website and about 20 additional test cases I created myself my program always returning me right answer. When I tried to submit the solution - "Wrong Answer". I am wondering if I ...