HKBU greedy 练习

#	标题	已解出
A	Medium 双人旋转赛车 STL binary search data structure greedy	x 14
B	Medium Ms. Weasel eats chicken greedy	x 4
C	Easy 丽娃河的狼人传说 greedy	x 8
D	Super 大鱼吃小鱼 greedy	x 8
E	Easy 蚂蚁 STL implementation	x 11
F	Hard 神奇的魔术 binary search divide and conquer	x 4
G	Medium 贪吃的 xjj 和贪心的 oxx greedy	x 4