hdu1255专题

【HDU1255】【线段树】【扫描线】【面积】

覆盖的面积 Time Limit: 10000/5000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 4417    Accepted Submission(s): 2180 Problem Description 给定平面上若干矩形,求出被这些矩形覆