According to the PCIC2021 competition, I noticed that the champion did the above.
Posted by: easyeasygo @ Sept. 27, 2023, 3:10 a.m.It depends on the specific edges you deem as known. If the known edges are drawn from the information(prior knowledge) we have provided, then it is acceptable. Otherwise, it would be forbidden.
Posted by: noahlabcausal @ Sept. 28, 2023, 2:09 a.m.