Problems from KTH Challenge 2018

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
#exclude<scoring> 54 5 9% 0.07 12 5 42% 8.4
Bus Planning 471 175 37% 0.00 117 94 80% 5.1
Cars 397 53 13% 0.00 69 37 54% 8.0
Color Codes 52 16 31% 0.01 12 9 75% 7.3
Mars Window 2534 1085 43% 0.00 960 897 93% 2.0
Mathemagicians 684 120 18% 0.00 132 97 73% 4.5
Pairing Socks 2072 902 44% 0.01 725 628 87% 3.1
Tree Hugging 38 10 26% 0.13 15 9 60% 7.9