Problems from KTH Challenge 2011

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Base-2 Palindromes 1098 422 38% 0.00 459 349 76% 4.4
Coast Length 5712 2088 37% 0.01 1480 1265 85% 3.0
Getting Rid of Coins 719 143 20% 0.00 156 92 59% 8.0
Icons in the Toolbar 95 42 44% 0.02 52 37 71% 7.6
Kindergarten Excursion 1456 521 36% 0.00 414 342 83% 4.4
Paintball 1326 511 39% 0.00 353 301 85% 4.5
Reversed Binary Numbers 12323 7639 62% 0.00 6627 6313 95% 1.5