Archive 2015 Mar-21st UVa 1352 - Colored Cubes 同構貪心骰子 Jan-10th UVa 10729 - Treequivalence tree同構平面圖 2014 Jul-31st UVa 979 - The Abominable Triangleman 同構幾何 Jul-28th UVa 11785 - Hypercube 同構