SDUT- 2444 正方形

import java.util.Scanner; class Judge { double x1, y1, x2, y2, x3, y3, x4, y4; Judge(double x1, double y1, double x2, double y2, double x3, double y3, double x4, double y4) { this.x1 = x1; this

>>阅读原文<<