c++头文件

#include <cmath>#include <stack>#include <algorithm>#include <string>#include <deque>#include <cstring>#include <cstdio>#include <vector>#include <set>#include <map>#include <queue>#include <cstdlib>#include <iomanip>using namespace std;#define rep(i, a, b) for( i = (a); i <= (b); i++)#define reps(i, a, b) for( i = (a); i < (b); i++)#define pb push_back#define ps push#define mp make_pair#define CLR(x,t) memset(x,t,sizeof x)#define LEN(X) strlen(X)#define F first#define S second#define Debug(x) cout<<#x<<"="<<x<<endl;const double euler_r = 0.57721566490153286060651209;const double pi = 3.141592653589793238462643383279;const double E = 2.7182818284590452353602874713526;const int inf=~0U>>1;const int MOD = int(1e9) + 7;const double EPS=1e-6;typedef long long LL;int main(){    return 0;}