usaco

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0 211 September 14, 2018
1 445 February 23, 2018
0 434 June 26, 2017
2 671 June 25, 2017
2 501 April 5, 2017
0 680 January 6, 2017
1 655 December 24, 2016
1 3779 July 16, 2015
4 5601 April 28, 2015
1 1913 March 5, 2015
1 1848 December 27, 2014
2 13872 October 3, 2014
4 884 July 17, 2013
9 2837 June 30, 2013
4 7213 April 20, 2013
11 5769 April 1, 2013