usaco

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2 405 April 24, 2020
0 194 September 14, 2018
1 1249 February 23, 2018
0 598 June 26, 2017
2 898 June 25, 2017
2 502 April 5, 2017
0 683 January 6, 2017
1 740 December 24, 2016
1 4189 July 16, 2015
4 6834 April 28, 2015
1 2011 March 5, 2015
1 2150 December 27, 2014
4 906 July 17, 2013
9 2934 June 30, 2013
4 8216 April 20, 2013
11 6231 April 1, 2013