题目:铺设油井管道
代码:参考
https://blog.youkuaiyun.com/qq_49222080/article/details/120661336
#include <iostream>
#include <algorithm>
#include <cmath>
#include <string>
#include <iomanip>
#define ll long long
#define N 100000
const int maxn=
代码:参考
https://blog.youkuaiyun.com/qq_49222080/article/details/120661336
#include <iostream>
#include <algorithm>
#include <cmath>
#include <string>
#include <iomanip>
#define ll long long
#define N 100000
const int maxn=