10 0 Unexpected result for the sum of a series ( 2012-11-29 05:16:13 +0200 )
0 -10 Unexpected result for the sum of a series ( 2012-11-29 05:16:11 +0200 )
10 0 Unexpected result for the sum of a series ( 2012-11-29 05:16:10 +0200 )
2 0 Unexpected result for the sum of a series ( 2012-11-15 08:17:14 +0200 )
10 0 Unexpected result for the sum of a series ( 2012-11-15 06:39:54 +0200 )