c++ 代码模板()

#include <bits/stdc++.h>
using namespace std;
typedef unsigned long long ull;
typedef long double doubleL;
typedef long long ll;
#define _SILENCE_CXX20_CISO646_REMOED_WARNING
#define memmin(a) memset(a,0,sizeof(a))
#define memmax(a) memset(a,0x3f,sizeof(a));
#define fspr(n) fixed << setprecision(n)
#define spr(n) setprecision(n)
#define sci setiosflags(ios::scientific)
#define siosf setiosflags
#define fspr(n) fixed << setprecision(n)
#define spr(n) setprecision(n)
#define sci setiosflags(ios::scientific)
#define siosf setiosflags
#define endl '\n'
#define ifor(i, l, r) for (ll  i = l; i <= r; ++i)
#define rfor(i, r, l) for (ll  i = r; i >= l; --i)
#define npos string::npos
#define pi 3.1415926535897932384626433832795
#define fir first
#define sec second
#define pb push_back
#define pf push_front
#define type decltype
#define last(a) a.size()-1
#define _last(a) prev(a.end(),1)
#define  all(v) v.begin(),v.end()
template <class T, class Container = vector<T>,
	class Compare = less<typename Container::value_type> >
using priqueue = priority_queue<T, Container, Compare>;

const int IINF = 0x3f3f3f3f;
const long LINF = 0x3f3f3f3f3f3f3f3f;
const double EPS = 1.0e-9;
const long MOD = 1e9 + 7;
const int N = 2e5 + 100;
namespace cus {
	//standard output
	template<typename container>
	void print(container& a2) {
		for ( auto i = a2.begin(); i != a2.end(); i++ ) {
			cout << *i << " \n"[i==prev(a2.end(),1)];
		}
	}

	template<typename T1>
	auto print(T1 a, ll l, ll r) -> void {
		for ( long i = l; i <= r; ++i ) {
			cout << a[i] << " /n"[i == r];
		}
	}
	//__int128 write 
	template<typename T>
	void  read(T& w) {
		w = 0;
		T f = 1;
		char ch = getchar();
		while ( ch < '0' || ch > '9' ) {
			if ( ch == '-' )
				f = -1;
			ch = getchar();
		}
		while ( ch <= '9' && ch >= '0' ) {
			w = w * 10 + ch - '0';
			ch = getchar();
		}
	}
	template<typename T>
	void print128(T x) {
		if ( x < 0 ) {
			putchar('-');
			x = -x;
		}
		if ( x > 9 )print128(x / 10);
		putchar(x % 10 + '0');
	}
}


void solve()
{
	
}
int main(int args, char** argv)
{
	/*ios::sync_with_stdio(false);
	cin.tie(nullptr);
	cin.tie(nullptr);*/
	int tt;
	cin >> tt;
	while ( tt-- )
	{
		solve();
	}
	return 0;
}
————————
#include <bits/stdc++.h>
using namespace std;
typedef unsigned long long ull;
typedef long double doubleL;
typedef long long ll;
#define _SILENCE_CXX20_CISO646_REMOED_WARNING
#define memmin(a) memset(a,0,sizeof(a))
#define memmax(a) memset(a,0x3f,sizeof(a));
#define fspr(n) fixed << setprecision(n)
#define spr(n) setprecision(n)
#define sci setiosflags(ios::scientific)
#define siosf setiosflags
#define fspr(n) fixed << setprecision(n)
#define spr(n) setprecision(n)
#define sci setiosflags(ios::scientific)
#define siosf setiosflags
#define endl '\n'
#define ifor(i, l, r) for (ll  i = l; i <= r; ++i)
#define rfor(i, r, l) for (ll  i = r; i >= l; --i)
#define npos string::npos
#define pi 3.1415926535897932384626433832795
#define fir first
#define sec second
#define pb push_back
#define pf push_front
#define type decltype
#define last(a) a.size()-1
#define _last(a) prev(a.end(),1)
#define  all(v) v.begin(),v.end()
template <class T, class Container = vector<T>,
	class Compare = less<typename Container::value_type> >
using priqueue = priority_queue<T, Container, Compare>;

const int IINF = 0x3f3f3f3f;
const long LINF = 0x3f3f3f3f3f3f3f3f;
const double EPS = 1.0e-9;
const long MOD = 1e9 + 7;
const int N = 2e5 + 100;
namespace cus {
	//standard output
	template<typename container>
	void print(container& a2) {
		for ( auto i = a2.begin(); i != a2.end(); i++ ) {
			cout << *i << " \n"[i==prev(a2.end(),1)];
		}
	}

	template<typename T1>
	auto print(T1 a, ll l, ll r) -> void {
		for ( long i = l; i <= r; ++i ) {
			cout << a[i] << " /n"[i == r];
		}
	}
	//__int128 write 
	template<typename T>
	void  read(T& w) {
		w = 0;
		T f = 1;
		char ch = getchar();
		while ( ch < '0' || ch > '9' ) {
			if ( ch == '-' )
				f = -1;
			ch = getchar();
		}
		while ( ch <= '9' && ch >= '0' ) {
			w = w * 10 + ch - '0';
			ch = getchar();
		}
	}
	template<typename T>
	void print128(T x) {
		if ( x < 0 ) {
			putchar('-');
			x = -x;
		}
		if ( x > 9 )print128(x / 10);
		putchar(x % 10 + '0');
	}
}


void solve()
{
	
}
int main(int args, char** argv)
{
	/*ios::sync_with_stdio(false);
	cin.tie(nullptr);
	cin.tie(nullptr);*/
	int tt;
	cin >> tt;
	while ( tt-- )
	{
		solve();
	}
	return 0;
}