Problems from Southwestern Europe Regional Contest (SWERC) 2011

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Distributing Ballot Boxes 7250 1887 26% 0.04 1403 1158 83% 4.7
Guess the Numbers 592 122 21% 0.01 175 79 45% 8.7
Non-negative Partial Sums 335 115 34% 0.04 111 86 77% 5.1
Remoteland 114 48 42% 0.18 35 27 77% 6.1