We thank everyone who participated and we congratulate Yuqiao Huang, who is an undisputed leader this semester. For the Summer, we suggest reviewing all the problems from the Spring and working on the additional problems posted at the bottom of the provided solutions, and the following problem.


    * [[pow:Problem7]]  Solution received from Yuqiao Huang.

    * [[pow:Problem6]]  Solution received from Yuqiao Huang.

    * [[pow:Problem5]]  Solution received from Yuqiao Huang, Ashton Keith, and Naftoli Kolodny.

    * [[pow:Problem4]]  Solved by only one participant: Ashton Keith, a freshman majoring in math.

    * [[pow:Problem3]]  Solved completely only by Ashton Keith, a freshman majoring in math. A solution with some details missing was also submitted by Yuqiao Huang.

    * [[pow:Problem2]]  Solved by only one participant: Yuqiao Huang - a freshman and a math-major.

    * [[pow:Problem1]]  Solved by only one participant: Yuqiao Huang - a freshman and a math-major.