(hdu6070)2017杭电多校联赛第四场-Dirt Ratio 线段树+二分

Dirt Ratio Time Limit: 18000/9000 MS (Java/Others)    Memory Limit: 524288/524288 K (Java/Others) Total Submission(s): 1119    Accepted Submission(s): 495 Special Judge Problem Description In ACM/ICPC
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