不能组成三角形的极端数列:1,1,2,3,5,8,13,21,……到第50项时候肯定到1e9了…… 如果两个点之间距离大于50,则直接Yes…… 否则的话直接暴力取出所有边,然后升序排序,判断一下就可以了. #include <bits/stdc++.h> using namespace std; #define rep(i, a, b) for (int i(a); i <= (b); ++i) #define dec(i, a, b) for (int i(a); i >= (…
Problem A: An easy problem Description Peter Manson owned a small house in an obscure street. It was a weather-beaten tenement of wood, containing some six or eight rooms, all of which, with one exception, were given over to dirt, cobwebs, gloom, and…
