UVa 105 The Skyline Problem (想法题)
UVa 105 The Skyline Problem (想法题)2014-10-04 csdn synapse7105 - The Skyline ProblemTime limit: 3.000 secondshttp://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=24&page=show_problem&problem=...