组合数学/代数学 (共6题)
ID Problem Title Source AC Ratio Solved Tries
3485 Gerald and Giant Chess CodeForces 559C 64% 9 14
3486 Connected Graph POJ 1737 43% 6 14
3487 A decorative fence CEOI 2002, POJ 1037 55% 6 11
3709 Cow Pizza 奶牛披萨 USACO 2006 Open Bronze 0% 0 0
3993 3602 Counting Swaps IPSC 2016 100% 2 2
4009 排列计数 SDOI 2016 50% 4 8