IPSC 2017

	#	제목
B1	27636	Bishopian paths (Easy)
B2	27637	Bishopian paths (Hard)
F1	27642	Flipping and cutting (Easy)
F2	27643	Flipping and cutting (Hard)
H1	19676	Holy cow, Vim! (Easy)
H2	19677	Holy cow, Vim! (Hard)
I1	27644	Internet problem (Easy)
I2	27645	Internet problem (Hard)
J1	27646	Judicious cuts (Easy)
J2	27647	Judicious cuts (Hard)
Q1	27659	Queue skipping (Easy)
Q2	27660	Queue skipping (Hard)
R2	27662	Russian roulette (Hard)