if(AC + BC != dist(p1, p2)) continue;->if(fabs(AC + BC - dist(p1, p2)) > 1e-8) continue;
if(AC + BC != dist(p1, p2)) continue;
if(fabs(AC + BC - dist(p1, p2)) > 1e-8) continue;
90->100
为什么只有我被卡精度啊