Contest2037

Problem A: Small change

题解：http://www.cnblogs.com/crazyapple/p/3349469.html

Problem B: Scoop water

题解：http://www.cnblogs.com/crazyapple/p/3349478.html

Problem D: CX and girls

题解：http://www.cnblogs.com/crazyapple/p/3349480.html

Problem F: ZZY and his little friends

题解：http://www.cnblogs.com/crazyapple/p/3349484.html

Problem J: Scholarship

题解：http://www.cnblogs.com/crazyapple/p/3349488.html