|Good Question||Question score of 25 or more. This badge can be awarded multiple times.|
JɛﬀE earned this badge 7 times
jan 1 at 20:19Is there a stable heap?
apr 15 '12 at 17:22Is optimally solving the n×n×n Rubik's Cube NP-hard?
feb 22 '12 at 0:23What is the actual time complexity of Gaussian elimination?
jun 1 '11 at 14:49Sum-of-square-roots-hard problems?
may 5 '11 at 18:37Super Mario Galaxy problem
feb 8 '11 at 2:11Other applications of Karger-Stein branching amplification?
aug 25 '10 at 15:28How hard is unshuffling a string?