Problems by William Zhao – Kattis, Kattis

	Add	Remove

Name	Fastest	Shortest	Total	Acc.	Ratio	Difficulty	Languages
Counting Staircases	0.04	265	270	76	28%	5.1Medium	en
Hatter's Hat Shop	0.15	1279	150	23	15%	7.9Hard	en
Metro Mapping	0.08	847	390	93	24%	6.8Hard	en
Mid Card	0.57	1490	254	68	27%	7.5Hard	en
OK Maps	0.00	148	117	42	36%	5.6Hard	en