素数 (共5题)
ID Problem Title Source AC Ratio Solved Tries
3328 Prime Distance 素数距离 Waterloo local 1998, POJ 2689 9% 6 79
3338 小猪佩奇 XOJ 22% 1 9
4021 Semi-prime H-numbers Waterloo Local Contest, POJ 3292 0% 0 0