To be an ACMan

入门：http://blog.csdn.net/accry/article/details/6070626View Code #include<stdio.h>#include<string.h>#include<algorithm>using namespace std;#define maxn 50005struct point{ int x, y;}p[maxn], res[maxn<<1];int max(int a, int b){ return a > b ? a : b;}int xmult(point o, point a, Read More