Problems from KTH CSC Popup spring 2013

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Fenwick Tree 5589 1476 26% 0.67 842 615 73% 4.8
Linear Recurrences 480 249 52% 0.06 95 84 88% 5.1
Union-Find 8324 2663 32% 0.04 1232 888 72% 4.9