This Weeks Problem:



Past Problems


April 16, 2018
  • Problem 588
  • Solution
  • There was one correct solution submitted by Austin Konkel.  Austin was awarded this weeks prize
April 9, 2018
  • Problem 587
  • Solution
  • One partial solution was submitted this week by Austin Konkel.  No proze was awarded
April 2, 2018
March 26, 2018
  • Problem 585
  • Solution
  • This week's prize was divided equally between Austin Konkel and Andrew Schwandt
March 19, 2018
March 12, 2018
  • Problem 583
  • Solution
  • There were three correct submissions...Austin Konkel, Jacob Hart, and Kyle Helfrich. Based on a random draw, the prize was divided between Jacob Hart and Kyle Helfrich
February 26, 2018
February 19, 2018
  • Problem 581
  • Solution
  • Partially correct solutions were submitted by Austin Konkel and Reyna Frost. There were no prizes awarded this week.
February 12, 2018
February 5, 2018
  • Problem 579
  • Solution
  • The problem was solved by Jacob Hart, Austin Konkel and Yifan Zhang.  The prize was shared equally by Konkel and Hart.
January 29, 2018
January 22, 2018
January 15, 2018
  • Problem 576
  • Solution
  • Two correct solutions were submitted by Yifan Zhang and Austin Konkel. The prize went to Austin Konkel.
November 27, 2017
  • Problem 575
  • Solution
  • The problem was solved by Austin Konkel, Paul Cappaert, Savannah Swiatlowski, and Yifan Zhang. By a draw of lots, this week's prize is shared equally between Austin Konkel and Savannah Swiatlowski.
November 13, 2017
  • Problem 574
  • Solution
  • The problem was solved by Paul Cappaert and Yifan Zhang. The prize goes to Paul Cappaert.
November 6, 2017
  • Problem 573
  • Solution
  • Correct solutions were submitted by Yifan Zhang, Mohyeddin Sweidan, Chase Bender, and Jacob Hart. The prize for this week was equally divided between Chase Bender and Jacob Hart.
October 30, 2017
  • Problem 572
  • Solution
  • Two complete solutions were submitted by Jacob Hart and Yifan Zhang respectively. The prize for this week goes to Jacob Hart.
October 23, 2017
  • Problem 571
  • Solution
  • Problem 571 was correctly solved by Zhang Yifan. There were no recipients of the prize this week.
October 16, 2017
  • Problem 570
  • Solution
  • Problem 570 was correctly solved by Zhang Yifan. There were no recipients of the prize this week.
October 9, 2017
  • Problem 569
  • Solution
  • For Problem 569, correct solutions were submitted by Cheng-Hao Fu, Mohiyeddin Sweidan and Yifan Zhang. A partial solution was submitted by Jacob Hart. This week's prize goes to Cheng-Hao Fu.
October 2, 2017
  • Problem 568
  • Solution
  • Problem 568 was correctly solved by Zhang Yifan. No prizes were awarded this week.
September 25, 2017
September 18, 2017
  • Problem 566
  • Solution
  • Two complete solutions were received for Problem 566 from Austin Konkel and Zhang Yifan.  A partial solution was received from Breanne Becker. The prize for this week goes to Austin Konkel. 
September 11, 2017
  • Problem 565
  • Solution
  • Complete solutions were submitted by Dong Li and Zhang Yifan.  Partial solutions were submitted by Mohyedden Sweidan and Chase Bender.  There was no winner of the prize this week.

September 5, 2017

  • Problem 564
  • Solution
  • There were two correct solutions.  The prize goes to Cheng-Hao Fu.  The problem was also solved correctly by Yifan Zhang.