HDU1026:Ignatius and the Princess I
HDU1072:Nightmare
HDU1240:Asteroids!
HDU1241:Oil Deposits
HDU1312:Red and Black
HDU1372:Knight Moves
HUD1728:逃离迷宫
POJ1321:棋盘问题
POJ2251:Dungeon Master
POJ3620:Avoid The Lakes
HDU1258:Sum It Up
HDU2181:哈密顿绕行世界问题
HDU2553:N皇后问题
POJ1315:Don't Get Rooked
POJ2488:A Knight's Journey
HDU1010:Tempter of the Bone
HDU2717:Catch That Cow