import java.util.*; class bombing{     private int sum;     private double a[],k[];     bombing(int sum,double a[]){         this.sum=sum;         this.a=a;      &nb...

https://blog.csdn.net/csyifanZhang/article/details/106051633 ↑完整题解   #define MAX 1005 #define inf 0x3fffff #define ll double #define vec vector #define PA pair struct P { ll x, y; }a[MAX]; int main() { ll n; while (cin >> n) { map m;//记录已经出现过的直线 l...