{模板}基本 C++ 缺省源

常用宏定义 + 看得懂头文件

#include 
#include 
#include 
#include 
#define oo 2139062143
#define fo(i,x,y) for (register int asDfg = (y),i = (x);i <= asDfg;++ i)
#define fd(i,x,y) for (register int asDfg = (y),i = (x);i >= asDfg;-- i)
using namespace std;
typedef double db;
typedef long long ll;
int abs(int x) {return(((x)>=0)?(x):(-(x)));}
int max(int x,int y) {return(((x)>(y))?(x):(y));}
int min(int x,int y) {return(((x)<(y))?(x):(y));}
int lowbit(int x) {return((x)&(-x));}

int main()
{
    freopen("D:/Code/","r",stdin);

}